Reparto

• Don Messick — Scooby doo
• Olan Soule — Batman (voice) (archive footage)
• Casey Kasem — Robin
• Frank Welker — Freddie
• Ted Knight — The Penguin (voice)
• Casey Kasem — Robin
• Larry Storch — The Joker
• Nicole Jaffe — Velma (archive footage)
• Heather North — Daphne