Jerry Borgman 1 episode, 1979
Alfred Attles / ... 3 episodes, 1973-1975
Police Captain 'Iron Balls' Delaney
Ex-Detective / ... (2 episodes, 1968-1974)
George Clarence 'Bugs' Moran
Tracy Conlin (1 episode, 1967)
Earl Evans (1 episode, 1967)
Graham Newcomb / ... (3 episodes, 1966-1971)
August Gruber (1 episode, 1970)
Parker Smith / ... (2 episodes, 1962-1963)
US Army Sergeant Steve Dekker
Carl Borden / ... (4 episodes, 1955-1959)
Geraldo 'Jerry' Barker aka Iceman
'Griff' Griffith / ... (2 episodes, 1957-1958)
Ed James / ... (4 episodes, 1958-1961)
Charlie Williams (2 episodes, 1962-1963)