Thomas Brodie-Sangster

as Ferb (voice)

Vincent Martella

as Phineas (voice)

Dan Povenmire

as Dr. Doofenshmirtz / Additional Voices (voice)

Jeff 'Swampy' Marsh

as Major Monogram / Additional Voices (voice)

Dee Bradley Baker

as Perry / Additional Voices (voice)

Jane Kaczmarek

as Maggie the Macaw (voice)

J.K. Simmons

as Napoleon / Additional Voices (voice)

Josh Gad

as Wendell (voice)

Paul Reubens

as Parenthesis (voice)

Stephen Root

as Floyd / Additional Voices (voice)

Tyler Alexander Mann

as Carl (voice)