Phineas Flynn

Vincent Martella

Perry the Platypus

Dee Bradley Baker

Ferb Fletcher (voice)

Thomas Brodie-Sangster

Candace

Ashley Tisdale

Jeremy Johnson

Mitchel Musso

Candace Flynn / Candace-2 (voice)

Ashley French

Isabella

Alyson Stoner

Dr. Heinz Doofenshmirtz / Doof-2 / Additional Voices (voice)

Dan Povenmire

Linda Flynn-Fletcher

Caroline Rhea

Lawrence Fletcher / Lawrence-2 (voice)

Richard O'Brien

Major Francis Monogram / Monogram-2 (voice)

Jeff 'Swampy' Marsh

Baljeet Rai / Baljeet-2 / Additional Voices (voice)

Maulik Pancholy

Buford Van Stomm / Buford-2 (voice)

Bobby Gaylor

Carl (voice)

Tyler Alexander Mann

Stacy Hirano (voice)

Kelly Hu

Carl

Tyler Mann

Norm / Normbots (voice)

John Viener

Irving (voice)

Jack McBrayer

Additional Voices (voice)

April Stewart

Jeff Swampy Marsh

Gretchen / Additional Voices (voice)

Ariel Winter

Olivia Olson

Additional Voices (voice)

Diamond White

Mrs. Thompson (voice)

Doris Roberts

Additional Voices (voice)

Grey Griffin

Additional Voices (voice)

Fred Tatasciore

Vocalist (voice)

Laura Dickinson

Milly (voice)

Isabella Murad

Additional Voices (voice)

Jeff Bennett

Danny (voice)

Jaret Reddick

Additional Voices (voice)

Jennifer L. Hughes

Additional Voices (voice)

Kevin Michael Richardson

Carl in Disguise (voice)

Loni Love

Mr. Johnson (voice)

Todd Stashwick

Self (uncredited)

Slash