Among the series guest stars were Spelling 's ex-wife Carolyn Jones , Leslie Nielsen , William Windom , Ed Asner ( two episodes in two different roles ) , Vincent Price , Sammy Davis Jr. ( three episodes in three different roles ) , Andy Griffith , Joe Don Baker , David Cassidy , Richard Pryor , Lee Grant , Richard Dreyfuss , Jo Van Fleet , Tom Bosley , Marion Ross , Danny Thomas , Tyne Daly , Martin Sheen , René Auberjonois , Jack Cassidy , Clint Howard , Louis Gossett , Jr. , Sugar Ray Robinson , Billy Dee Williams , Cleavon Little , Daniel J. Travanti ( three episodes in three different roles ) , Barbara McNair and Rodolfo Hoyos , Jr. , in three episodes.
Ed Asner appeared in two different roles in more than one episode of the TV show The Mod Squad .