Elizabeth Montgomery Samantha Stephens, Serena Actor Dick Sargent Darrin Stephens Actor Agnes Moorehead Endora Actor David White Larry Tate Actor Alice Ghostley Esmerelda Guest Star Jonathan Harris Sir Leslie Bancroft Guest Star Bert Convy Paul Revere Guest Star Ron Masak Clancey Guest Star Jud Strunk Bellboy Guest Star Jack Naughton Cab Driver Guest Star Parley Baer Desk Sergeant Guest Star Lew Horn Male Tourist Guest Star Dorothy Love Operator Guest Star Phil Sharp Writer Henry Sharp Writer Richard Michaels Director William Asher Producer