MovieWise

Unfiltered reviews. Cinematic depth.

Mode
Jeff 'Swampy' Marsh Biography and Full Filmography - MovieWise

Quick Facts

Born:
1960-12-09

Birthplace:
Santa Monica, California, USA

Credits:
22 Total Roles

Jeff 'Swampy' Marsh

Acting

The MovieWise Take

Refining cinematic analysis...

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

Full Filmography

Year Title Role
2026 Agent P Under C TV Major Monogram (voice)
2025 Spiked MOVIE (voice)
2022 How Not to Draw TV Major Monogram (voice)
2020 Phineas and Ferb the Movie: Candace Against the Universe MOVIE Major Monogram (voice)
2016 Milo Murphy's Law TV Additional Voices (voice)
2015 TV's Funniest Animated Stars: A Paley Center for Media Special MOVIE Self
2015 O.W.C.A. Files MOVIE Major Monogram / Additional Voices (voice)
2015 Phineas and Ferb: Last Day of Summer MOVIE Major Monogram (voice)
2014 Phineas and Ferb: Night of the Living Pharmacists MOVIE Major Francis Monogram (voice)
2014 Phineas and Ferb: Star Wars MOVIE Major Hologram / Imperial Officer Jeff / Additional Voices

Cinema in your inbox.

Weekly deep-dives and cinematic perspectives delivered to you.

By joining, you agree to our Privacy Policy. You can unsubscribe at any time.