CastEdit

• Phineas as Oscar
• Isabella as Angie
• Norm as Luca
• Candace as Sykes
• Dr. Doofenshmirtz as Don Lino
• Dr. Diminuitive as Don Feinberg
• Miss Finster (from 'Recess') as Miss Sanchez
• Daffy Duck (Looney Tunes Gang) as the Seahorse Race Announcer
• Suzy as Lola
• Billy (from The Grim Adventures of Billy and Mandy) as Crazy Joe
• Baljeet as Lenny
• Buford as Frankie
• Stacy as Katie Current
• Major Monogram as Giuseppe
• Lenny (from The Simpsons and The Simpsons Movie) as Twin Shark Brother # 1
• Carl (from The Simpsons' and The Simpsons Movie') as Twin Shark Brother # 2
• Yoshi (from Super Mario World 3) as the whale