Gary Coleman
as Arnold Jackson
Conrad Bain
as Phillip Drummond
Todd Bridges
as Willis Jackson
Dana Plato
as Kimberly Drummond
Mary Jo Catlett
as Pearl Gallagher
Danny Cooksey
as Sam McKinney
Dixie Carter
as Maggie McKinney Drummond
Mary Ann Mobley
as Maggie McKinney Drummond
Charlotte Rae
as Edna Garrett