medical advisor / medical adviser (49 episodes, 1969-1975)
story consultant (3 episodes, 1973)
story consultant (2 episodes, 1969-1970)
story consultant (2 episodes, 1974-1975)
story consultant (1 episode, 1970)
stand-in: Chad Everett (uncredited) (9 episodes, 1974)
stunt double: Eduard Franz (uncredited) (1 episode, 1970)