 Vincent MartellaPhineas Flynn / Phineas-2 (voice) | Phineas Flynn / Phineas-2 (voice) |
 Thomas Brodie-SangsterFerb Fletcher (voice) | Ferb Fletcher (voice) |
 Dee Bradley BakerPerry the Platypus / Additional Voices (voice) | Perry the Platypus / Additional Voices (voice) |
 Ashley FrenchCandace Flynn / Candace-2 (voice) | Candace Flynn / Candace-2 (voice) |
 Dan PovenmireDr. Heinz Doofenshmirtz / Doof-2 / Additional Voices (voice) | Dr. Heinz Doofenshmirtz / Doof-2 / Additional Voices (voice) |
 Richard O'BrienLawrence Fletcher / Lawrence-2 (voice) | Lawrence Fletcher / Lawrence-2 (voice) |
 Jeff 'Swampy' MarshMajor Francis Monogram / Monogram-2 (voice) | Major Francis Monogram / Monogram-2 (voice) |
 Alyson StonerIsabella Garcia-Shapiro / Isabella-2 (voice) | Isabella Garcia-Shapiro / Isabella-2 (voice) |
 Maulik PancholyBaljeet Rai / Baljeet-2 / Additional Voices (voice) | Baljeet Rai / Baljeet-2 / Additional Voices (voice) |
 Bobby GaylorBuford Van Stomm / Buford-2 (voice) | Buford Van Stomm / Buford-2 (voice) |
 Mitchel MussoJeremy Johnson / Jeremy-2 / Additional Voices (voice) | Jeremy Johnson / Jeremy-2 / Additional Voices (voice) |
 Tyler Alexander MannCarl (voice) | Carl (voice) |
 Kelly HuStacy Hirano (voice) | Stacy Hirano (voice) |
 John VienerNorm / Normbots (voice) | Norm / Normbots (voice) |
 Jack McBrayerIrving (voice) | Irving (voice) |
 April StewartAdditional Voices (voice) | Additional Voices (voice) |
 Ariel WinterGretchen / Additional Voices (voice) | Gretchen / Additional Voices (voice) |
 Caroline RheaLinda Flynn-Fletcher / Linda-2 / Additional Voices (voice) | Linda Flynn-Fletcher / Linda-2 / Additional Voices (voice) |
 Diamond WhiteAdditional Voices (voice) | Additional Voices (voice) |
 Doris RobertsMrs. Thompson (voice) | Mrs. Thompson (voice) |
 Fred TatascioreAdditional Voices (voice) | Additional Voices (voice) |
 Grey DeLisleAdditional Voices (voice) | Additional Voices (voice) |
 Isabella MuradMilly (voice) | Milly (voice) |
 Jeff BennettAdditional Voices (voice) | Additional Voices (voice) |
 Jaret ReddickDanny (voice) | Danny (voice) |
| JJennifer L. HughesAdditional Voices (voice) | Additional Voices (voice) |
 Kevin Michael RichardsonAdditional Voices (voice) | Additional Voices (voice) |
 Laura DickinsonVocalist (voice) | Vocalist (voice) |
 Loni LoveCarl in Disguise (voice) | Carl in Disguise (voice) |
 Todd StashwickMr. Johnson (voice) | Mr. Johnson (voice) |
