 | Joe O'Connor (II) (Actor, The Green Hornet (2011)) |
 | Joe O'Connor (XII) (Actor, Laughosity (2009)) |
| | Joe O'Connor (XVIII) (Actor, Grimoire (2015)) |
| | Joe O'Connor (IX) (Actor, A Very Meta Musical (2011)) |
| | Joe O'Connor (XI) (Actor, S/ash (2014)) |
| | Joe O'Connor (XIX) (Producer, ABC News Nightline (1980)) |
| | Joe O'Connor (XVI) (Actor, Grindsploitation (2016)) |
| | Joe O'Connor (III) (Writer, Ailsa (1994)) |
 | Renée O'Connor (Actress, A Question of Faith (2017)) |
| | Joe O'Connor (V) (Actor, Dark Practice (2006)) |
| | Joe O'Connor (XIV) (Director, The Day the Revolution Came to Town (2013)) |
| | Joe O'Connor (VII) (Self, Bazaar of All Nations (2010)) |
| | Joe O'Connor (XX) (Camera Department, The Lost Sheep (2018)) |
| | Joe O'Connor (XIII) (Visual Effects, Alpha: Omega (2013)) |
| | Joe O'Connor (VIII) (Sound Department, The Pony Man (2012)) |
| | Joe O'Connor (XVII) (Self, Snooker: Coral Welsh Open (2009)) |
| | Joe O'Connor (IV) (Actor, Shades of Gray (2002)) |
| | Joe O'Connor (VI) (Music Department, Dance Star (2010)) |
| | Joe O'Connor (I) (Actor, The Iron Major (1943)) |
| | Joe O'Connor (X) (Camera Department, Break (2011)) |
| | Joe O'Connor (XV) (Sound Department, The Convent (2000)) |
| | Aine O'Connor (Actress, In the Name of the Father (1993)) |
 | Clare O'Connor (II) (Actress, In an Instant (2015)) |
| | Chloe O'Connor (Self, His & Hers (2009)) |
| | Zoe O'Connor (Director, The Call (2006)) |
 | Jake O'Connor (I) (Actor, Margaret (2011)) |
 | Laine O'Connor (Actress, Silent Love Stories (2017)) |
| | John-Joe O'Connor (Actor, Holby City (1999)) |
 | Dave O'Connor (III) (Producer, Tony Robbins: I Am Not Your Guru (2016)) |
 | Luke O'Connor (Make Up Department, Will & Grace (1998)) |
| | Caroline O'Connor (I) (Actress, Moulin Rouge! (2001)) |
| | Theo Connor (Actor, Formula 3 - I ragazzi dell'autodromo (1993)) |
| | Jeanette O'Connor (I) (Actress, Elizabethtown (2005)) |
| | Joe Oconnell |
| | Joe O'Connell (I) (Sound Department, Pi (1998)) |
| | Joe O'Conner (Actor, Ride, Mister? (1970)) |
| | Joe O'Connell (V) (Sound Department, A West Side Story: The Film and the Philharmonic (2013)) |
 | Joe O'Connell (II) (Camera Department, Love and Other Stunts (2018)) |
| | Joe O'Connell (IV) (Camera Department, I Confess (1953)) |
| | Steve O'Connor (I) (Actor, Carolina (2003)) |
| | Valerie O'Connor (I) (Actress, City of Ember (2008)) |
 | Lee O'Connor (I) (Writer, Solo (2017)) |
| | Jane O'Connor (I) (Writer, Fancy Nancy ) |
| | Katie O'Connor (I) (Casting Department, Gone Baby Gone (2007)) |
| | Eddie O'Connor (III) (Miscellaneous, Insatiable (2008)) |
| | Eddie O'Connor (I) (Sound Department, Keith Richards: Under the Influence (2015)) |
 | Susan Louise O'Connor (Actress, Infinity and Betsy (2015)) |
 | Julie O'Connor (II) (Actress, Buffy the Vampire Slayer: Season 8 Motion Comic (2011)) |
| | George O'Connor (X) (Writer, Cartoon Superheroes Abridged (2015)) |
| | Terrence O'Connor (I) (Actress, Star Trek: The Motion Picture (1979)) |
| | Rosie O'Connor (I) (Actress, Batman Returns (1992)) |
| | Irene O'Connor (Actress, Il ragazzo dal kimono d'oro (1992)) |
 | Raine O'Connor (Actor, Untitled Raine O'Connor Project (2018)) |
| | Siobhan Byrne O'Connor (Producer, Blue Bloods (2010)) |
 | Arlene O'Connor (Actress, Instinct (2018)) |
 | Catherine O'Connor (I) (Actress, Spider-Man (2002)) |
| | Sean E. O'Connor (Actor, The Burning Bride ) |
 | Lance O'Connor (Producer, Queen Sacrifice (1988)) |
| | Annie O'Connor (Miscellaneous, Go for It (2016)) |
| | Jude O'Connor (Actor, Allure (1999)) |
| | Mike O'Connor (II) (Actor, Disorder (2013)) |
| | Pete O'Connor (I) (Camera Department, The Rocket Post (2004)) |
| | Katie O'Connor (III) (Self, Project Runway (2004)) |
| | Grace O'Connor (II) (Production Designer, Emelia ) |
| | Yvonne O'Connor (Miscellaneous, Thumbelina (1994)) |
| | Shane O'Connor (VI) (Actor, The Begrudgers (2012)) |
| | Mike O'Connor (XIV) |
| | Mike O'Connor (VIII) (Actor, Clip (2009)) |
| | Kyle O'Connor (VIII) (Art Department, Anna Karenina (2018)) |
| | Shane O'Connor (III) |
| | George O'Connor (VII) (Animation Department, Take Me to Your Mother (2013)) |
| | Layne O'Connor (Actor, Sleeping in the Jungle (2016)) |
| | Grace O'Connor (III) (Miscellaneous, Project Runway All Stars (2012)) |
| | Connie O'Connor (I) (Actress, Clerks (1994)) |
| | Sue O'Connor (Self, Naked Science (2004)) |
| | George O'Connor (XI) (Actor, Life Without Color (2017)) |
| | Marie O'Connor (III) (Actress, Aerosol Rebel (2010)) |
| | Katie O'Connor (VII) (Actor, Towards Bethlehem (2015)) |
| | George O'Connor (II) (Actor, Not the One (2007)) |
| | Bryce O'Connor (Miscellaneous, He Who is Without Sin (2018)) |
| | Tigue O'Connor (Actor, Together (2006)) |
| | George O'Connor (VIII) |
| | Marie O'Connor (IV) (Cinematographer, We Had This Band ) |
| | Katie O'Connor (V) (Actress, Frontiers (1996)) |
| | Shane O'Connor (I) (Visual Effects, The Island (2005)) |
| | Dave O'Connor (V) (Actor, Leave of Absence (2007)) |
| | Rose O'Connor (Cinematographer, Meningococcal: One Nurse's Perspective (2010)) |
| | Jade O'Connor (I) (Actress, Cuisle (2014)) |
| | Paige O'Connor (I) (Miscellaneous, Just Like You: Burns, as Told by Three Children (2007)) |
| | George O'Connor (VI) |
| | Katie O'Connor (VIII) (Art Department, Angry Video Game Nerd: The Movie (2014)) |
| | Kate O'Connor (IV) (Costume Designer, Evil Men Do (2013)) |
| | Kate O'Connor (V) |
| | Jamie O'Connor (VII) (Producer, Moose (2015)) |
| | Kyle O'Connor (VII) (Sound Department, Thy Kingdom Come (in development)) |
| | Shane O'Connor (IV) (Editor, Dead Souls (2014)) |
| | Shane O'Connor (XII) (Actor, Bay State (1991)) |
| | Kate O'Connor (VI) (Producer, Frog (2015)) |
| | Steve O'Connor (XIII) |
| | Kate Oconnor (Actress, Crafting San Diego: Battle of the Breweries (2014)) |
| | Steve O'Connor (XI) (Camera Department, So This Is Romance? (1997)) |
| | Mike O'Connor (XIII) (Actor, Gaff It Girl (2017)) |
| | Jamie O'Connor (III) (Miscellaneous, The Simpsons (1989)) |
| | Mike O'Connor (X) (Miscellaneous, Tokyo After Dark (1959)) |
| | Steve O'Connor (VIII) (Actor, Changing Stations (2011)) |
| | Katie O'Connor (X) (Miscellaneous, Naked Attraction (2016)) |
| | Eddie O'Connor (II) (Miscellaneous, Superman 50th Anniversary (1988)) |
| | Jamie O'Connor (II) (Actor, Mission: Impossible (1988)) |
| | Kate O'Connor (VIII) (Self, Jeopardy! (1984)) |
| | Mike O'Connors (Cinematographer, Tutti recidivi (1989)) |
| | Grace O'Connor (I) (Actress, Plain and Fancy (1956)) |
| | Dave O'Connor (I) (Art Department, Spacejacked (1997)) |
| | Marie O'Connor (V) (Camera Department, Resident Evil: Resurrection (2012)) |
| | Jamie O'Connor (V) (Sound Department, Dead Serious (2013)) |
| | Kyle O'Connor (IV) (Miscellaneous, Fix America (2012)) |
| | Brene O'Connor (Miscellaneous, Sruth na Maoile (2000)) |
| | Bruce O'Connor (Actor, The Frontier Boys (2012)) |
| | Kate O'Connor (III) (Actor, Belles of Killarney (1907)) |
| | Jae O'Connor (Actor, Amerikan Violence (2014)) |
| | Kyle O'Connor (X) |
| | Jane O'Connor (III) (Actress, Wonderful You (1999)) |
| | George O'Connor (I) (Writer, Healed (2015)) |
| | Dave O'Connor (IV) (Camera Department, Kisses (2008)) |
| | Alice O'Connor (II) (Actress, Bella ) |
| | Shane O'Connor (XIV) |
| | Harre O'Connor (Miscellaneous, Thicker Than Water (2002)) |
| | Diane O'Connor (III) |
| | Marie O'Connor (I) (Actress, Stay Tuned (1992)) |
| | Katie O'Connor (II) (Actress, One Nite (2007)) |
| | Steve O'Connor (XVI) (Self, The American Scream (2012)) |
| | Diane O'Connor (VII) (Actress, Reel: Irish Women (2016)) |
 | Jenae O'Connor (Actress, Thirty (2017)) |
| | Anne O'Connor (Actress, Dyuet (2012)) |
| | Mike O'Connor (IV) (Actor, Corpus Callosum (2007)) |
| | George O'Connor (IX) (Self, Analogue People in a Digital Age (2013)) |
| | Jane O'Connor (II) (Producer, Fancy Brains from Farm 6!!! (2011)) |
| | Mike O'Connor (III) (Miscellaneous, Mortal Kombat: Armageddon (2006)) |
| | Deane O'Connor (Producer, John & Pogo (2002)) |
| | Steve O'Connor (III) (Self, Jeopardy! (1984)) |
| | George O'Connor (V) (Actor, The Business (2005)) |
| | Diane O'Connor (I) (Art Department, Honey I Blew Up the Kid (1992)) |
| | Diane O'Connor (II) (Self, Gap-Toothed Women (1987)) |
| | Janie O'Connor (Casting Department, Kabhi Khushi Kabhie Gham... (2001)) |
| | Mike O'Connor (XVI) (Music Department, Poldark (2015)) |
| | Kate O'Connor (VII) |
| | Steve O'Connor (XVIII) (Art Department, Function Room (1985)) |
| | Kyle O'Connor (XI) |
| | Jamie O'Connor (VIII) (Composer, GasLamp (2015)) |
| | Mike O'Connor (XX) (Editorial Department, Religion of Sports (2016)) |
| | Kate O'Connor (I) (Composer, The Wednesday Play (1964)) |
| | Shane O'Connor (II) (Actor, God's Early Work (2004)) |
| | Julie O'Connor (IV) (Miscellaneous, Channel 4 News (1982)) |
| | George O'Connor (III) (Self, Warren Ellis: Captured Ghosts (2011)) |
| | Allie O'Connor (I) (Miscellaneous, The Caller (2008)) |
| | Kane O'Connor (Writer, Love's Dark Ride (1978)) |
| | Katie O'Connor (VI) (Miscellaneous, Lightwalkers (2014)) |
| | Paige O'Connor (II) (Writer, We Are Somebody (2014)) |
| | Diane O'Connor (VI) (Self, The Mike Douglas Show (1961)) |
| | Hanne O'Connor (Actor, The Break-Up (2011)) |
| | Kyle O'Connor (VI) (Location Management, Citizen Gangster (2011)) |
| | George O'Connor (IV) |
| | Steve O'Connor (XIV) |
| | George O'Connor (XII) (Actor, Life Without Color (2017)) |
| | Marie O'Connor (VII) (Special Effects, She's So Glam Trash (2016)) |
| | Joyce O'Connor (III) (Actor, KaBlam! (1996)) |
| | Wade O'Connor (Camera Department, Glory (1989)) |
| | Shane O'Connor (X) (Actor, The Right to Remain Silent (2014)) |
| | Steve O'Connor (IV) (Actor, No Surrender (1985)) |
| | Kyle O'Connor (III) (Sound Department, Price of Powers (2012)) |
| | Maire O'Connor |
| | Marie O'Connor (VI) (Casting Director, Impact (2012)) |
 | Dee O'Connor (Producer, The Good Samaritan (2017)) |
| | Mike O'Connor (XVII) (Animation Department, Head Rush (1998)) |
| | Klye O'Connor (Actor, Chloe by Day (2009)) |
| | Elyse O'Connor (Writer, In the Heat of the Night (1988)) |
| | Mike O'Connor (IX) |
| | Cage O'Connor (Actor, And Then I Was French (2018)) |
| | Mike O'Connor (VI) (Sound Department, Butch Walker: Leavin the Game on Luckie St (2008)) |
| | Aoife O'Connor (Actress, Execution (2012)) |
| | Pete O'Connor (III) (Actor, Wayland's Song (2013)) |
| | Faye O'Connor (Director, Obvious (2000)) |
| | Rosie O'Connor (II) (Producer, The Undateables (2012)) |
| | Steve O'Connor (VII) (Actor, A Christmas Carol at Ford's Theatre (1979)) |
| | Steve O'Connor (II) (Self, Football Superstar (2008)) |
| | Mike O'Connor (V) (Animation Department, Gilligan's Planet (1982)) |
| | Jade O'Connor (II) |
| | Alice O'Connor (I) (Actress, He Said, She Said (1991)) |
| | Steve O'Connor (XVII) (Composer, Dear Viola (2014)) |
| | Dave O'Connor (VI) (Producer, Not Broken Not Alone (2012)) |
| | Mike O'Connor (XV) (Miscellaneous, Abaphuciwe: The Dispossessed (1980)) |
| | Kyle O'Connor (I) (Location Management, A History of Violence (2005)) |
| | Clare O'Connor (I) (Producer, The Marvels of Mick Murphy (2012)) |
| | Mike O'Connor (VII) (Producer, Textuality (2011)) |
| | Shane O'Connor (XV) |
| | Zeke O'Connor (Self, Tengboche: A Threatened Sanctuary (1988)) |
| | Steve O'Connor (XV) (Miscellaneous, Hanging in There (2017)) |
| | Mike O'Connor (XIX) (Actor, Missed Connections (2017)) |
| | Steve O'Connor (XII) (Self, The Booker (2014)) |
| | Jamie O'Connor (I) (Production Manager, Friends (1994)) |
| | Steve O'Connor (V) (Actor, Brookside (1982)) |
