Fat Albert Robertson / Bill / Mushmouth / Mudfoot Brown (voice)
Bill Cosby
Russell / Bucky (voice)
Jan Crawford
Weird Harold (voice)
Gerald Edwards
Rudy (voice)
Eric Suter
Erika Scheimer
Jay Scheimer
Lou Scheimer
Producer
Director
Hal Sutherland
Writer
Jim Ryan
Original Music Composer
Ray Ellis
Editor
Jim Blodgett
Bill Danch
Art Direction
Alberto De Mello
Norm Prescott