Perry the Platypus/ Agent P Pinky the Chihahua/ Agent P Phineas Flynn Ferb Fletcher Isabella Garcia Shapiro Irving Kinney Albert Kinney Dr. Heinz Doofenshmirtz Vanessa Doofenshmirtz Norm Doofenshmirtz Charlene Doofenshmirtz Peter the Panda/ Agent P Agent E Meap the Alien Giant Baby Head (cameos only!(but not when Doof uses it as a monster to attack Perry) Mitch the Alien Nosey the Lake Nose Monster/ Agent LNM