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