Jeff 'Swampy' Marsh
Known for Acting · 22 credits
- Born
- 1960-12-09 (age 65)
- Place of birth
- Santa Monica, California, USA
- Also known as
- Jeff "Swampy" Marsh · Jeff Harsh · Jeff Swampy Marsh · Jeffrey Marsh · Jeff Marsh · Swampy Marsh
Biography
Jeff "Swampy" Marsh (born December 9, 1960) is an American animator, writer, director, producer, and voice actor associated with several animated television series, most notably as an executive producer and the voice of Major Monogram for Disney's animated series Phineas and Ferb and Milo Murphy's Law, both of which he co-created with Dan Povenmire. Marsh was born in Santa Monica, California, where he grew up with a heavily blended family dynamic. Marsh has been and continues to be a driving force behind several animation projects, working for over six seasons on the animated television series The Simpsons. Marsh continued to work on other animated television series, including King of the Hill and Rocko's Modern Life, before moving to England in 1996.
Known For
Phineas and Ferb
2007
as Francis Monogram (voice)
Milo Murphy's Law
2016
as Additional Voices (voice)
Phineas and Ferb The Movie: Across the 2nd Dimension
2011
as Major Francis Monogram / Monogram-2 (voice)
Phineas and Ferb the Movie: Candace Against the Universe
2020
as Major Monogram (voice)
Agent P Under C
2026
as Major Monogram (voice)
How Not to Draw
2022
as Major Monogram (voice)
TV Shows (6)
Movies (16)
Phineas and Ferb The Movie: Across the 2nd Dimension
2011
as Major Francis Monogram / Monogram-2 (voice)
Phineas and Ferb the Movie: Candace Against the Universe
2020
as Major Monogram (voice)
Phineas and Ferb: Mission Marvel
2013
as Francis Major Monogram / Gordon Gutsofanemu / Additional Voices
Phineas and Ferb: Star Wars
2014
as Major Hologram / Imperial Officer Jeff / Additional Voices
TV's Funniest Animated Stars: A Paley Center for Media Special
2015
as Self
Phineas and Ferb: Night of the Living Pharmacists
2014
as Major Francis Monogram (voice)
I Know That Voice
2014
as Self
O.W.C.A. Files
2015
as Major Monogram / Additional Voices (voice)
Phineas and Ferb Save Summer
2014
as Major Francis Monogram / Additional Voices (voice)
Phineas and Ferb: Summer Belongs to You!
2010
as Major Francis Monogram / Additional Voices (voice)
Phineas and Ferb Christmas Vacation!
2009
as Major Monogram (voice)
Spiked
2025
as Big Boss Croc / Exterminator (voice)
Phineas and Ferb: Last Day of Summer
2015
as Major Monogram (voice)
Phineas and Ferb: The Perry Files - Animal Agents
2013
as Major Monogram (voice)
Phineas and Ferb: The Daze of Summer
2012
Untitled Phineas and Ferb Movie
as Major Francis Monogram (voice)
About Jeff 'Swampy' Marsh
Jeff "Swampy" Marsh (born December 9, 1960) is an American animator, writer, director, producer, and voice actor associated with several animated television series, most notably as an executive producer and the voice of Major Monogram for Disney's animated series Phineas and Ferb and Milo Murphy's Law, both of which he co-created with Dan Povenmire. Marsh was born in Santa Monica, California, where he grew up with a heavily blended family dynamic. Marsh has been and continues to be a driving force behind several animation projects, working for… With 22 credits spanning from 2001 to 2026, Jeff 'Swampy' Marsh has appeared in 16 films and 6 TV shows.
Fans searching for Jeff 'Swampy' Marsh movies, Jeff 'Swampy' Marsh filmography, or the latest projects starring Jeff 'Swampy' Marsh can stream many of these titles on Bowood.TV, free and in HD, with no subscription required.
Most Popular Jeff 'Swampy' Marsh Movies
- Phineas and Ferb The Movie: Across the 2nd Dimension (2011) — as Major Francis Monogram / Monogram-2 (voice)
- Phineas and Ferb the Movie: Candace Against the Universe (2020) — as Major Monogram (voice)
- Phineas and Ferb: Mission Marvel (2013) — as Francis Major Monogram / Gordon Gutsofanemu / Additional Voices
- Phineas and Ferb: Star Wars (2014) — as Major Hologram / Imperial Officer Jeff / Additional Voices
- TV's Funniest Animated Stars: A Paley Center for Media Special (2015) — as Self
Where to Watch Jeff 'Swampy' Marsh Films
Most Jeff 'Swampy' Marsh movies and series are available to stream on Bowood.TV in full HD, completely free and without signup. Browse the complete filmography above to jump directly to any title. For more films and the latest web series featuring Jeff 'Swampy' Marsh, check our movies catalogue and browse page.