Ashley French
Candace Flynn (voice)

Vincent Martella
Phineas Flynn (voice)

David Errigo Jr.
Ferb Fletcher (voice)

Dan Povenmire
Dr. Doofenshmirtz (voice)

Olivia Olson
Vanessa Doofenshmirtz (voice)

Alyson Stoner
Isabella (voice)

Bobby Gaylor
Buford (voice)

Maulik Pancholy
Baljeet (voice)

Dee Bradley Baker
Perry the Platypus / Mama / Additional Voices (voice)

Ali Wong
Super Super Big Doctor (voice)

Wayne Brady
Stapler-Fist / Additional Voices (voice)

Thomas Middleditch
Garnoz (voice)

Diedrich Bader
Borthos (voice)

Thomas Sanders
Throat-Lobster (voice)

Caroline Rhea
Linda Flynn-Fletcher (voice)

Richard O'Brien
Lawrence Fletcher (voice)

Mitchel Musso
Jeremy (voice)

Kelly Hu
Stacy (voice)

Tyler Alexander Mann
Carl (voice)

Jeff 'Swampy' Marsh
Major Monogram (voice)

Brock Powell
Braxington-ton / Vlorkel / Shoe Monkey (voice)

Bill Farmer
Hermellivue / Additional Voices (voice)

Bob Bowen
Toilet Flower (voice)

Sarah Hudson
Ernox (voice)

John Viener
Norm (voice)

Corey Burton
Farmer / Additional Voices (voice)

Emo Philips
Meeks Servant (voice)

John O'Hurley
Roger Doofenshmirtz (voice)

'Weird Al' Yankovic
Shirt Cannon Guy (voice)

Tiffany Haddish
The Sound Someone Makes When They Explode From The Waist Up (voice)

Laura Dickinson
Additional Voices (voice)

Aaron Daniel Jacob
Additional Voices (voice)