Up 1,219 this week

Jeff 'Swampy' Marsh

Jeff 'Swampy' Marsh was born on December 9, 1960 in Santa Monica, California, USA. He is an actor and writer, known for Phineas and Ferb (2007), Phineas and Ferb the Movie: Across the 2nd Dimension (2011) and Rocko's Modern Life (1993). He has been married to Birgitte since December 17, 2006. They have two children. See full bio »
More at IMDbPro » Contact Info on IMDbPro Contact Info: View agent

"Gortimer Gibbon's Life on Normal Street" Wins WGA Award

Congratulations to the writing team behind Amazon Original Series "Gortimer Gibbon's Life on Normal Street," winner of the 2016 Writers Guild Award for Outstanding Children's Script.

See the full list of winners

Jeff 'Swampy' Marsh on Twitter

Related News

Oddball breaks the rules
Oddball set to roll

On Amazon Video

Watch on TV

Projects In Development

Details only on IMDbPro »

User Lists

Related lists from IMDb users

a list of 14 people
created 26 Feb 2012
a list of 90 people
created 08 Jul 2012
a list of 80 people
created 16 Feb 2013
a list of 215 people
created 14 Apr 2014
a list of 4354 people
created 4 months ago

Do you have a demo reel?

Add it to your IMDbPage

Connect with IMDb

How Much Have You Seen?

How much of Jeff 'Swampy' Marsh's work have you seen?

User Polls

Nominated for 5 Primetime Emmys. Another 2 wins & 6 nominations. See more awards »

Known For


Hide Hide Show Show Actor (5 credits)
 2016 Milo Murphy's Law (TV Series) (announced)
Balthazar Cavendish (voice)
 2007-2015 Phineas and Ferb (TV Series)
Major Monogram / Additional Voices / Major Francis Monogram / ...
- O.W.C.A. Files (2015) ... Major Monogram / Additional Voices4 (voice)
- Night of the Living Pharmacists (2014) ... Major Monogram / Additional Voices (voice)
- Tales from the Resistance (2014) ... Major Monogram / Additional Voices (voice)
- Lost in Danville (2014) ... Major Monogram / Additional Voices (voice)
- Star Wars (2014) ... Major Hologram / Additional Voices (voice)
 2011 Phineas and Ferb the Movie: Across the 2nd Dimension (TV Movie)
Major Francis Monogram / Monogram-2 / Additional Voices (voice, as Swampy Marsh)
 2003 Bounty Hamster (TV Series)
 2001-2002 Aaagh! It's the Mr. Hell Show! (TV Series)
Josh / Josh, the reincarnation guy
- The Seven Ages (2002) ... Josh (voice, uncredited)
- Blinded by Science and Rosy Palmer (2002) ... Josh (voice, uncredited)
- Hellathon (2001) ... Josh (voice, uncredited)
- Right Royal Rain Rin Re Rass (2001) ... Josh (voice, uncredited)
- From Here to Paternity (2001) ... Josh (voice, uncredited)
Show Show Writer (4 credits)
Show Show Producer (5 credits)
Show Show Music department (2 credits)
Show Show Art department (6 credits)
Show Show Soundtrack (4 credits)
Show Show Director (3 credits)
Show Show Animation department (4 credits)
Show Show Art director (1 credit)
Show Show Miscellaneous Crew (3 credits)
Show Show Visual effects (1 credit)
Show Show Self (5 credits)

Related Videos


Personal Details

Alternate Names:

Jeff Harsh | Jeff Swampy Marsh | Jeffrey Marsh | Jeff Marsh | Swampy Marsh

Did You Know?


Grandson of bandleader/actor Les Brown (Band of Renown) and nephew of singer/actor Les Brown Jr.. See more »

Star Sign:


Message Boards

Recent Posts
Awesome Phineas and Ferb es_sj
Where did that line come from? Theyrenotbooing
Two more Star Wars specials, pretty please? oleonard1986-172-356593
Discuss Jeff 'Swampy' Marsh on the IMDb message boards »

Contribute to This Page