On screen
Cast
9 credited performers
Bill Cosby
Fat Albert / Bill / Mushmouth / Mudfoot Brown (voice)
Artwork unavailable
Jan Crawford
Russell (voice)
Artwork unavailable
Gerald Edwards
Weird Harold (voice)
Artwork unavailable
Eric Suter
Rudy (voice)
Erika Scheimer
Diesel (voice)
Artwork unavailable
Eric Greene
Marshall Franklin (voice)
Kim Hamilton
Marge Franklin / Nurse (voice)
Julius Harris
Mr. Tyrone (voice)
Artwork unavailable
Ty Henderson
Ray Franklin (voice)