Don Franklin

as Lincoln Thorsen aka Flex (1 episode)

as Captain Dave Rothall (1 episode)

as Agent Biller (1 episode)

as Malcolm (9 episodes)

as Ian Hughes (4 episodes)

as Lonnie Washington

as Paul Ehrlich

as Clive (uncredited)

as Capt. Alan Beck (1 episode)

as Dr. Fischman (1 episode)

as Tommy Zane (1 episode)

as Mr. Beck

as Rob

as Larry Dersh (1 episode)

as Randall Mathis (3 episodes)

as Max Pierson

as Dr. Art MacGregor (1 episode)

as Kelvin Blake (1 episode)

as Basil

as Ron 'Slacks' Sacks (3 episodes)

as Peter Callas (1 episode)

as Reporter #1

as Bart Jameson (1 episode)

as Evan Harris (1 episode)