- Leonard Maltin
- Self - Host
- Mel Blanc
- Bugs Bunny / The Gremlin / The Gremlin from the Kremlin / Gremlins / Daffy Duck / The Little Man from the Draft Board / Von Vulture / Adolf Hitler / Porky Pig / Hermann Göring / Joseph Goebbels / Cottontail Smith / Narrator / Horse / Texas Rabbit / Additional Observor / Additional Voices (voice) (archive footage)
- Billy Bletcher
- Wolf
- Bea Benaderet
- Little Red Riding Hood, Additional Voices
- Richard Bickenbach
- Bing Crosby Rooster
- Robert C. Bruce
- Radio Announcer
- Tedd Pierce
- Observer
- Kent Rogers
- Professor Canafrazz
