Джеф "Блатни" Марш (Jeff 'Swampy' Marsh)

Актьор - Pete the Cat(Сериал)(2020-2022) - Pete's Dad
M.W.C.A. (Musical Without a Cool Acronym): Virtual Edition(2021) - The Director
Phineas and Ferb the Movie: Candace Against the Universe(2020) - Major Monogram / Additional Voices (voice)
Milo Murphy's Law(Сериал)(2016-2019) - Additional Voices / Cavendish / Balthazar Cavendish / ...
The Phineas And Ferb Show(2018) - Francis Monogram
Better Things(Сериал)(2016) - Director / Writer Guy
Ronja
the Robber's Daughter(Сериал)(2014-2015) - Musician B
Phineas and Ferb(Сериал)(2007-2015) - Major Francis Monogram / Additional Voices / Monopunzal / ...
Phineas and Ferb the Movie: Across the 2nd Dimension(2011) - Major Francis Monogram / Monogram-2 (voice
as Swampy Marsh)
Phineas and Ferb: Across the 2nd Dimension(Видео Игра)(2011) - Major Francis Monogram (voice)
Bounty Hamster(Сериал)(2003)
Aaagh! It's the Mr. Hell Show!(Сериал)(2001-2002) - Josh

Режисьор: Phineas and Ferb
Phineas and Ferb the Movie: Across the 2nd Dimension(2011)
Shadow of the Elves(2004)
Rugrats(1992-2004)
Rugrats: Studio Tour(1999)
Rocko's Modern Life(1993-1996)