Vincent Martella
Phineas Flynn / Phineas-2
Candace Flynn / Candace-2
Caroline Rhea
Linda Flynn-Fletcher / Linda-2 / Additional Voices
Richard O'Brien
Lawrence Fletcher / Lawrence-2
Dan Povenmire
Dr. Heinz Doofenshmirtz / Doof-2 / Additional Voices
Jeff Swampy Marsh
Major Francis Monogram / Monogram-2
Alyson Stoner
Isabella Garcia-Shapiro / Isabella-2
Maulik Pancholy
Baljeet Rai / Baljeet-2 / Additional Voices
Bobby Gaylor
Buford Van Stomm / Buford-2
Mitchel Musso
Jeremy Johnson / Jeremy-2 / Additional Voices
Dee Bradley Baker
Perry the Platypus / Perry the Platyborg / Additional Voices
Olivia Olson
Vanessa Doofenshmirtz / Vanessa-2
Ariel Winter
Gretchen / Additional Voices
Kevin Michael Richardson
Normbots / Additional Voices