Len Wayland

as McMurtry (1 episode)

as Calvin Mayer (1 episode)

as Mr. Grimes

as Commander Masterson

as Johnson

as Capt. Tom Clagett (6 episodes)

as McLean

as Detective #1

as Captain Whelan (1 episode)

as Homer Nelson (1 episode)

as Capt. Kronman (1 episode)

as Jack Mayhew (1 episode)

as Isaiah Tomkins (1 episode)

as Dorn (1 episode)

as Frank at Scrap Yard (1 episode), as Glen Wilcox (1 episode), as Tim Carter (1 episode), as Ed Flynn (1 episode), as Joe Cooper (1 episode)

as Karley

as Harley

as Dr. Carson (1 episode)

as Mr. Gentry (1 episode)

as Darrow

as Executive

as Captain of Detectives (1 episode)

as Utah Crash Site Officer (uncredited)

as George Ganzer

as Marvin Manley (1 episode)