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Greg Siff

Greg is an American actor, artist, and writer who's experimental art short film, Sequential Paint, was a featured selection at the Spring 2010 NewFilmmakers Series in New York City at the Anthology Film Archives. The film also screened at various exhibits, art shows and galleries in Los Angeles, including the opener of the 2006 Santa Ana Film ... See full bio »

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Known For

From Justin to Kelly
Grand Theft Auto V
Grand Theft Auto V Rocco Pelosi
In & Out
In & Out Locker Room Guy


Hide Hide Show Show Actor (29 credits)
 2013 Grand Theft Auto V (Video Game)
Rocco Pelosi (voice)
 2013 Kissing Lying Crying (Short)
 2012 Come to Life (Video short)
 2011 The Lincoln Lawyer
Orderly (uncredited)
 2010 Nurse Jackie (TV Series)
Line Guy #1
- Comfort Food (2010) ... Line Guy #1
 2010 How to Make It in America (TV Series)
- Big in Japan (2010) ... Frank
 2008 Rome & Jewel
 2008 Doody Pants (Short)
 2008 General Hospital: Night Shift (TV Series)
Bobby Duncan
- Other People's Children (2008) ... Bobby Duncan
 2008 Douchebag Beach: A Love Story (TV Series short)
 2007 The Take
 2006 CSI: NY (TV Series)
Evan Kelneck
- Consequences (2006) ... Evan Kelneck
 2006 December Ends
Make-Out Guy
 2005 River's End
Doug Barton
 2004 Girlfriends (TV Series)
Holden Hills
- A Comedy of Eros (2004) ... Holden Hills
 2002 Saturday Night Live (TV Series)
Eric's Fan
- Eric McCormack/Jay-Z (2002) ... Eric's Fan
 2001 Power Rangers Time Force (TV Series)
- Frax's Fury (2001) ... Shouter
 2001 Boychick (Short)
Debate Boy
 2001 The Andy Dick Show (TV Series)
- Come Back Quentin (2001) ... Tony
 2000 Even Stevens (TV Series)
Quincy Dandridge
- Family Picnic (2000) ... Quincy Dandridge
 1999 Undressed (TV Series)
Leo (2000: Season 3)
 1999 Z Games (TV Movie)
 1997 In & Out
Locker Room Guy
 1997 Late Night with Conan O'Brien (TV Series)
- Episode #4.70 (1997) ... Romeo
Show Show Producer (3 credits)
Show Show Soundtrack (2 credits)
Show Show Art department (2 credits)
Show Show Miscellaneous Crew (2 credits)
Show Show Director (1 credit)
Show Show Writer (1 credit)
Show Show Cinematographer (1 credit)
Show Show Composer (1 credit)
Show Show Self (3 credits)
Show Show Archive footage (1 credit)

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Personal Details

Official Sites:


6' (1.83 m)

Did You Know?

Personal Quote:

I have never been more happy than with a script in my hand, searching for truth. See more »


Modeled for Abercrombie & Fitch and hosted their AFTV that aired in stores across the US. See more »

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