 It was a pioneering wheel series of 90 minute episodes rotating around three main characters played by Tony Franciosa, Gene Barry, and Robert Stack.Other actors who appeared on some episodes during the series included Peter Falk, Robert Culp, Robert Wagner, Darren McGavin, Susan Saint James, Mark Miller, Ben Murphy, William Shatner, Vera Miles, Jack Klugman and Cliff Potts.Budd has worked with Hall of Fame stuntmen Hal Needham, Ronnie Rondell, Glenn Wilder, Roger Creed and Bill Hickman who is remembered most for the landmark car chase alongside Steve McQueen in the 1968 film Bullitt.