Michael Schoemann Director, Producer Dom DeLuise Christopher Columbus Voice Mickey Rooney Narrator Voice Corey Feldman Pico Voice Irene Cara Marilyn Voice Dan Haggerty King Ferdinand IV , Swarm Lord Voice Samantha Eggar Queen Isabella Voice Donald Arthur Christopher Columbus Voice Beate Hasenau Queen Isabella Voice Scott Santoro Screenwriter Eric Parkinson Executive Producer Ute Schoemann-Koll Executive Producer Jean-Claude Piroué Film Editing Walt Peregoy Art Director