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Kent Taylor
Duncan MacLain, Private Detective

Dorothea Kent
Amy Arden

Greta Granstedt
Gladys Hewitt

Don Brodie
Spud Savage, Private Detective
Paul Hurst
Asst. Dist. Atty. Springer

J. Farrell MacDonald
William Barton (Detective Agency Head)
Directing
Otis Garrett
Director