Fred C. Brannon
Director
William Lively
Screenplay
Royal K. Cole
Screenplay
Franklin Adreon
Associate Producer
John MacBurnie
Director of Photography
Stanley Wilson
Original Music Composer
Sol Shor
Screenplay
Fred A. Ritter
Art Direction
Basil Dickey
Screenplay
Kirk Alyn
Inspector David Worth
Rosemary La Planche
Laura Keith
Roy Barcroft
Spade Gordon
Carol Forman
Nila
James Dale
Agent Steve Evans
Bruce Edwards
Prof. Paul Williams [Chs. 1-6]
James Craven
Prof. James Clayton [Chs. 1, 10-12]
Dave Anderson
Porter [Ch. 9]
