• Phineas as Robin Hood
• Ferb as Little John
• Dr. Doofenshmirtz as Prince John
• Norm as Sir Hiss
• Thaddeus and Thor as the Sheriff of Nottingham
• Norm Bots as Soldiers
• Buford as Friar Tuck
• Isabella as Maid Marian
• Candace as Lady Cluck
• Baljeet as Skippy
• Mishti and Ginger as Skippy's sisters
• Aloyse von Roddenstein and Orville von Rooddenstein as the Vultures
• Perry the Platypus as Allan-A-Dale (sounds funny, doesn't it?)

and more