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) (as Thomas Sangster) Ferb Fletcher (voice) (as Thomas Sangster) See fewer	Maze Runner: The Scorch Trials (2015)
Caroline Rhea Linda Flynn-Fletcher / Crowd (voice) Linda Flynn-Fletcher / Crowd (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 / Crowd (voice) Dr. Heinz Doofenshmirtz / Crowd (voice) See fewer	Phineas and Ferb (2007)
Jeff 'Swampy' Marsh Major Francis Monogram / Photographer / Carnival Man (voice) Major Francis Monogram / Photographer / Carnival Man (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 Viener Norm / Dr. Bloodpudding (voice) Norm / Dr. Bloodpudding (voice) See fewer	Family Guy (1999)
Malcolm McDowell Grandpa Reginald Fletcher (voice) Grandpa Reginald Fletcher (voice) See fewer	A Clockwork Orange (1971)
Jane Carr Grandma Winifred Fletcher (voice) Grandma Winifred Fletcher (voice) See fewer	31 (2016)
Dee Bradley Baker Perry the Platypus / Dr. Diminutive / Robot Guy / Uncle Maulik / Phil (voice) Perry the Platypus / Dr. Diminutive / Robot Guy / Uncle Maulik / Phil (voice) See fewer	American Dad! (2005)
Maulik Pancholy Baljeet Tjinder / Crowd (voice) Baljeet Tjinder / Crowd (voice) See fewer	30 Rock (2006)
Bobby Gaylor Buford Van Stomm / Man (voice) Buford Van Stomm / Man (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 / Computer Voice (voice) Stacy Hirano / Computer Voice (voice) See fewer	The Scorpion King (2002)
Mitchel Musso Jeremy Johnson (voice) Jeremy Johnson (voice) See fewer	Monster House (2006)
Eileen Galindo Vivian Garcia-Shapiro / Crowd (voice) Vivian Garcia-Shapiro / Crowd (voice) See fewer	Lopez vs. Lopez (2022)
Jane Leeves Nikki Stars (voice) Nikki Stars (voice) See fewer	Frasier (1993)
Joe Orrantia Rodney / Crowd (voice) (as J.G. Orrantia) Rodney / Crowd (voice) (as J.G. Orrantia) See fewer	Phineas and Ferb (2007)