También en muchos episodios de la serie participaron conocidos actores de Hollywood, como: Dana Andrews, Martin Balsam, Charles Bronson, John Dehner, Andy Devine, Dan Duryea, Robert Duvall, Peter Falk, Anne Francis, Dennis Hopper, Buster Keaton, Jack Klugman, Martin Landau, Ida Lupino, Lee Marvin, Kevin McCarthy, Burgess Meredith, Vera Miles, Elizabeth Montgomery, Agnes Moorehead, Leonard Nimoy, Warren Oates, Donald Pleasence, Robert Redford, Burt Reynolds, Cliff Robertson, Mickey Rooney, Telly Savalas, William Shatner, Inger Stevens, Rod Taylor, Lee Van Cleef, Jack Warden, James Whitmore, Dick York, Gig Young, Ron Howard, Triger Stevens, Julie Newmar, Albert Salmi, , Steve Forest, Rusell Johnson, Buddy Ebsen, Nicholas Hormann, James Coburn.