Name	Known for
Vincent Martella Phineas Flynn (voice) Phineas Flynn (voice) See fewer	Phineas and Ferb (2007)
Ashley Tisdale Candace Flynn (voice) Candace Flynn (voice) See fewer	Phineas and Ferb (2007)
Thomas Brodie-Sangster Ferb Fletcher (voice) Ferb Fletcher (voice) See fewer	Maze Runner: The Scorch Trials (2015)
Caroline Rhea Linda Flynn-Fletcher (voice) Linda Flynn-Fletcher (voice) See fewer	The Perfect Man (2005)
Richard O'Brien Lawrence Fletcher (voice) Lawrence Fletcher (voice) See fewer	The Rocky Horror Picture Show (1975)
Dan Povenmire Dr. Heinz Doofenshmirtz / Klimpaloon / Stagehand #2 (voice) Dr. Heinz Doofenshmirtz / Klimpaloon / Stagehand #2 (voice) See fewer	Phineas and Ferb (2007)
Jeff 'Swampy' Marsh Major Francis Monogram / Announcer / Flautist (voice) Major Francis Monogram / Announcer / Flautist (voice) See fewer	Phineas and Ferb (2007)
Tyler Alexander Mann Carl (voice) (as Tyler Mann) Carl (voice) (as Tyler Mann) See fewer	Phineas and Ferb (2007)
John O'Hurley Roger Doofenshmirtz (voice) Roger Doofenshmirtz (voice) See fewer	Seinfeld (1989)
Dee Bradley Baker Perry the Platypus / Stage Manager (voice) Perry the Platypus / Stage Manager (voice) See fewer	American Dad! (2005)
Maulik Pancholy Baljeet Tjinder (voice) Baljeet Tjinder (voice) See fewer	30 Rock (2006)
Bobby Gaylor Buford Van Stomm (voice) Buford Van Stomm (voice) See fewer	Phineas and Ferb (2007)
Alyson Stoner Isabella Garcia-Shapiro (voice) Isabella Garcia-Shapiro (voice) See fewer	Phineas and Ferb (2007)
Kelly Hu Stacy Hirano (voice) Stacy Hirano (voice) See fewer	The Scorpion King (2002)
Carlos Alazraqui Bobbi / Drummer / Stagehand #3 (voice) Bobbi / Drummer / Stagehand #3 (voice) See fewer	The Fairly OddParents (2001)
Jaret Reddick Danny (voice) Danny (voice) See fewer	Just Like Heaven (2005)
D.B. Sweeney Slamm Hammer / Stagehand #1 (voice) (as DB Sweeney) Slamm Hammer / Stagehand #1 (voice) (as DB Sweeney) See fewer	The Cutting Edge (1992)
Jeff Bergman Swampy (voice) Swampy (voice) See fewer	Space Jam: A New Legacy (2021)
Jon Stewart Mr. Random (voice) Mr. Random (voice) See fewer	The Daily Show (1996)