Frank Albertson
— Tom Hood
Ernie Nevers
— Bob Collins
Cecilia Parker
— Betty Moore
Francis Ford
— Botter Hood
J. Frank Glendon
— Sam Slater
Frank Beal
— Horace Moore
Caryl Lincoln
— Kate Bland
Tom London
— Dirk / Detective Dane
Al Ferguson
— Gavin
Jack Rube Clifford
— Doran
Edmund Cobb
— Spike
Joe Bonomo
— Joe
George Magrill
— Lefty
Harold Nelson
— Prof. Wilson
George DeNormand
— Henchman
William Gould
— Steele [Ch. 1]
Reb Russell
— One of Bob's College Pals
Larry Steers
— Maitre d', Red Lantern Cafe [Ch. 3]
Harry Strang
— Eddie, Waiter at Red Lantern Cafe [Ch. 3]