- Vincent Martella (Phineas Flynn (voice))
- David Errigo Jr. (Ferb Fletcher (voice))
- Ashley French (Candace Flynn (voice))
- Caroline Rhea (Linda Flynn-Fletcher (voice))
- Dee Bradley Baker (Perry the Platypus (voice))
- Alyson Stoner (Isabella Garcia-Shapiro (voice))
- Dan Povenmire (Heinz Doofenshmirtz (voice))
- Jeff 'Swampy' Marsh (Francis Monogram (voice))
Phineas and Ferb — S2E36
Episode: Atlantis
Air Date: 2009-11-14
Runtime: 11 min
Overview
Phineas and Ferb discover the lost city of Atlantis, Candace enters a sand castle building contest, and Dr. Doofenshmirtz tries to use a growth formula to make plants evil.