Stuart Pankin Earl Sinclair Voice Jessica Walter Fran Sinclair Voice Jason Willinger Robbie Sinclair Voice Sally Struthers Charlene Sinclair Voice Kevin Clash Baby Sinclair Voice Florence Stanley Grandma Ethyl Voice Sam McMurray Roy Hess Voice Sherman Hemsley B.P. Richfield Voice Jason Bernard Edward R. Hero Guest Voice Steve Whitmire Actor Mak Wilson Actor Michelan Sisti Actor Leif Tilden Actor Bruce Lanoil Actor John Kennedy Actor