Jeff 'Swampy' Marsh

Acting

Born December 9, 1960 · Santa Monica, California, USA

7 films as director · Active 1993–2025

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 produc…

Known for

Phineas and Ferb

2007

Milo Murphy's Law

2016

Phineas and Ferb The Movie: Across the 2nd Dimension

2011

O.W.C.A. Files

2015

How Not to Draw

2022

Agent P Under C

2026

Phineas and Ferb the Movie: Candace Against the Universe

2020

Bounty Hamster

2003

Directed(7)

No films found.

Acting(22)

2026Agent P Under CMajor Monogram (voice)

2025SpikedBig Boss Croc / Exterminator (voice)

Film

2022How Not to DrawMajor Monogram (voice)