Guest Stars José Ferrer as Cagliostro Elaine Joyce as Sheri Diamond Michelle Phillips as Regina Kellijian Brian Kerwin as Andy Townsend Robert Loggia as Joe Kellijian Diana Canova as Joan Germaine Murray Hamilton as Bud Michaels Mayf Nutter as Zack Bernard Conrad Janis as Dr. Yambert Robert Hogan as Lt. Bergkamp Co Starring Elvia Allman as Elderly Lady Rance Howard as Filmore Bill Shick as Hypnotized Person #3 Lee Duncan as Policeman #1 Hartley Silver as Hypnotized Person #2 Ritchie Montgomery as Busboy Dianne Turley Travis as Helsema Alex Rebar as Hypnotist Robert Balderson as Hypnotized Person #1 Joy Ellison as Hypnotized Person #5 Bob Tzudiker as Clerk Gay Hagen as Hypnotized Person #4 Mary Lou Kenworthy as Liz Kathy Stangel as Hypnotized Person #6