Efrem Zimbalist Jr. Stuart Bailey Actor Richard Conte Detective Lieut. Butter Guest Star Tony Bennett Maximillian Guest Star Wally Cox Harold Harrison Guest Star Jacques Bergerac Insp. Claude Duprez Guest Star Joan Staley Hannah Guest Star Diane McBain Carla Stevens Guest Star Burgess Meredith Vincent Marion Guest Star Lloyd Nolan Col. David Watkins Guest Star Marisa Pavan Anna Guest Star Joseph Schildkraut Mr. Stehlik Guest Star William Shatner Paul DeVinger Guest Star Gene Nelson Lundstrom Guest Star Walter Slezak Oskar Pauker Guest Star Clint Walker Cal Jasper Guest Star Virginia Gregg Trudie Guest Star Keenan Wynn Lolly Guest Star George E. Stone Mr. DeVinger Guest Star Jimmy Murphy Leroy Guest Star Carmelo Manto Italian Lender Guest Star