Phineas and Ferb get trapped in an alternate dimension where the evil Doofenshmirtz rules the tri-state area. They must find a way back home with the help of their pet platypus named Perry, who they discover is a secret agent.
Vincent Martella
as Phineas Flynn / Phineas-2 (voice)
Thomas Brodie-Sangster
as Ferb Fletcher (voice)
Dee Bradley Baker
as Perry the Platypus / Additional Voices (voice)
Ashley Tisdale
as Candace Flynn / Candace-2 (voice)
Dan Povenmire
as Dr. Heinz Doofenshmirtz / Doof-2 / Additional Voices (voice)
Richard O'Brien
as Lawrence Fletcher / Lawrence-2 (voice)
Jeff 'Swampy' Marsh
as Major Francis Monogram / Monogram-2 (voice)
Alyson Stoner
as Isabella Garcia-Shapiro / Isabella-2 (voice)
Maulik Pancholy
as Baljeet Rai / Baljeet-2 / Additional Voices (voice)
Bobby Gaylor
as Buford Van Stomm / Buford-2 (voice)
Mitchel Musso
as Jeremy Johnson / Jeremy-2 / Additional Voices (voice)
Tyler Alexander Mann
as Carl (voice)
