Sole series appearance by Tom Pittman (Grady Stewart), credited as "Geoff Parish" (his only use of the pseudonym). Sadly, Pittman died the following year in a single-vehicle car crash on October 31, 1958.
Sole series appearance by Barry Atwater (Gene Morgan). Atwater played James Ellwood Martin in three episodes of Richard Boone's previous series Medic (1954).