Barry Gordon as Rob / American Rabbit (voice)

Bob Arbogast as Teddy (voice)

Laurie O'Brien as Bunny O'Hare (voice)

Kenneth Mars as Vultor / Walt (voice)

Lorenzo Music as Ping Pong (voice)

Pat Fraley as Rob's Father / Tini Meany (voice)

Bob Holt as Rotten Rodney (voice)

Lew Horn as Dip (voice)

Norm Lenzer as Brutal Bruno (voice)

John H. Mayer as Horrible Hugo (voice)

Maitzi Morgan as Lady Pig / Old Woman Rabbit (voice)

Hal Smith as Mentor / Too Loose / Mad Marvin (voice)

Russi Taylor as Rob's Mother (voice)

Fred Wolf as Fred Red (voice)