Phineas Flynn as Thomas Lawrence Fletcher as Edward Carl Karl as Henry Major Monogram as Gordon Candace Flynn as James Ferb Fletcher as Percy Baljeet as Toby Perry the Platypus as Duck Gretchen and Holly as Donald and Douglas Django Brown as Oliver Dr. Heinz Doofenshmirtz as Diesel Cheese (A made up platypus) as Bill Sandwich (A made up platypus) as Ben Roger Doofenshmirtz as BoCo Suzy Johnson as Daisy Eileen (A Made Up Teenager) as Mavis Grandpa Reginald Fletcher as Stepney Isabella Garcia Shapiro as Emily Pinky the Chihuahua as Bertie Connor Fletcher (A Made Up Phineas and Ferb Character) as Salty