Vincent Martella
Phineas Flynn (voice)

Thomas Brodie-Sangster
Ferb Fletcher (voice)

Ashley French
Candace Flynn (voice)

Dan Povenmire
Dr. Heinz Doofenshmirtz (voice)

Jeff 'Swampy' Marsh
Major Francis Monogram (voice)

Alyson Stoner
Isabella Garcia-Shapiro (voice)

Olivia Olson
Vanessa Doofenshmirtz (voice)

Dee Bradley Baker
Perry the Platypus (voice)

Kelly Hu
Stacy Hirano (voice)

Tyler Alexander Mann
Carl the Intern (voice)

John Viener
Norm (voice)

Maulik Pancholy
Baljeet Tjinder (voice)

Bobby Gaylor
Buford Van Stomm (voice)

Ariel Winter
Gretchen (voice)

John O'Hurley
Roger Doofenshmirtz (voice)

Caroline Rhea
Linda Flynn-Fletcher (voice)

Richard O'Brien
Lawrence Fletcher (voice)

Jack McBrayer
Irving DuBois (voice)

Diamond White
Holly (voice)

Isabella Acres
Katie (voice)

Madison Pettis
Adyson Sweetwater (voice)

Bella Thorne
Birgitte (voice)

Noah Wyle
Martin the News Vendor (voice)

Cloris Leachman
Mrs. Feyersied (voice)

Nick Frost
Ed (voice)

Simon Pegg
Shaun (voice)

George A. Romero
Don Adaded (voice)