Vincent Martella
Phineas Flynn / Phineas-2 (voice)
Acting
Thomas Brodie-Sangster
Ferb Fletcher (voice)
Acting
Dee Bradley Baker
Perry the Platypus / Additional Voices (voice)
Acting
Ashley Tisdale
Candace Flynn / Candace-2 (voice)
Acting
Dan Povenmire
Dr. Heinz Doofenshmirtz / Doof-2 / Additional Voices (voice)
Acting
Richard O'Brien
Lawrence Fletcher / Lawrence-2 (voice)
Acting
Jeff 'Swampy' Marsh
Major Francis Monogram / Monogram-2 (voice)
Acting
Alyson Stoner
Isabella Garcia-Shapiro / Isabella-2 (voice)
Acting
Maulik Pancholy
Baljeet Rai / Baljeet-2 / Additional Voices (voice)
Acting
Bobby Gaylor
Buford Van Stomm / Buford-2 (voice)
Acting
Mitchel Musso
Jeremy Johnson / Jeremy-2 / Additional Voices (voice)
Acting
Tyler Alexander Mann
Carl (voice)
Acting
Kelly Hu
Stacy Hirano (voice)
Acting
John Viener
Norm / Normbots (voice)
Acting
Jack McBrayer
Irving (voice)
Acting
April Stewart
Additional Voices (voice)
Acting
Ariel Winter
Gretchen / Additional Voices (voice)
Acting
Caroline Rhea
Linda Flynn-Fletcher / Linda-2 / Additional Voices (voice)
Acting
Diamond White
Additional Voices (voice)
Acting
Doris Roberts
Mrs. Thompson (voice)
Acting
Fred Tatasciore
Additional Voices (voice)
Acting
Grey DeLisle
Additional Voices (voice)
Acting
Isabella Murad
Milly (voice)
Acting
Jeff Bennett
Additional Voices (voice)
Acting
Jaret Reddick
Danny (voice)
Acting
Jennifer L. Hughes
Additional Voices (voice)
Acting
Kevin Michael Richardson
Additional Voices (voice)
Acting
Laura Dickinson
Vocalist (voice)
Acting
Loni Love
Carl in Disguise (voice)
Acting
Todd Stashwick
Mr. Johnson (voice)
Acting
Danny Jacob
Ferb-2 (singing voice) (uncredited)
Sound
Slash
Self (uncredited)
Acting