Each day, two kindhearted suburban stepbrothers on summer vacation embark on some grand new project, which annoys their controlling sister, Candace, who tries to bust them. Meanwhile, their pet platypus plots against evil Dr. Doofenshmirtz.

Vincent Martellaas Phineas Flynn (voice)
Thomas Brodie-Sangsteras Ferb Fletcher (voice)
David Errigo Jr.as Ferb Fletcher (voice)
Ashley Frenchas Candace Flynn (voice)
Caroline Rheaas Linda Flynn-Fletcher (voice)
Alyson Stoneras Isabella Garcia-Shapiro (voice)
Bobby Gayloras Buford Van Stomm (voice)
Dan Povenmireas Dr. Heinz Doofenshmirtz (voice)
Jeff 'Swampy' Marshas Major Francis Monogram (voice)
Maulik Pancholyas Baljeet Tjinder (voice)
Martin Olson
Kim Roberson
Jon Colton Barry
Bobby Gaylor
Aliki Theofilopoulos
Dan Povenmire
Jeff 'Swampy' Marsh
May Chan
Olivia Olson
Mike Bell
Zac Moncrief
Derek Lee Thompson
Jen Kirkman
Devin Bunje
Michael Ryan
Bill Motz
Nick Stanton
Jeff Myers
Jonathan M. Howard
Robert Hughes
Kent Osborne
Elizabeth Ito
Damon Lindelof
Bob Bowen