Phineas and Ferb Season 3 Characters & Cast — No Spoilers
Every character in Phineas and Ferb season 3 with photos and the actors who play them, including Dee Bradley Baker, Vincent Martella, Thomas Brodie-Sangster — spoiler-free, nothing from later seasons.
- Perry the Platypus (voice) / Dr. Diminutive (voice) — played by Dee Bradley Baker
- Phineas Flynn (voice) — played by Vincent Martella
- Ferb Fletcher (voice) — played by Thomas Brodie-Sangster
- Candace Flynn (voice) — played by Ashley French
- Linda Flynn-Fletcher (voice) — played by Caroline Rhea
- Isabella Garcia-Shapiro (voice) — played by Alyson Stoner
- Buford Van Stomm (voice) — played by Bobby Gaylor
- Heinz Doofenshmirtz (voice) — played by Dan Povenmire
- Francis Monogram (voice) — played by Jeff 'Swampy' Marsh
- Baljeet Tjinder (voice) — played by Maulik Pancholy
- Lawrence Fletcher (voice) — played by Richard O'Brien
- Stacy Hirano (voice) — played by Kelly Hu
- Jeremy Johnson (voice) — played by Mitchel Musso
- Carl Karl (voice) — played by Tyler Alexander Mann
- Ro-juh Doofengung (voice) / Roger Doofenshmirtz (voice) — played by John O'Hurley
- Irving (voice) — played by Jack McBrayer
- Mrs. Johnson (voice) — played by Jane Lynch
- Additional Voices (voice) — played by Candi Milo
- Johnny (voice) — played by Logan Miller
- Norm (voice) / Additional Voices (voice) — played by John Viener
All seasons of Phineas and Ferb: full spoiler-free character guide