Frank Albertson

Character: Tom Hood

Ernie Nevers

Character: Bob Collins

Cecilia Parker

Character: Betty Moore

Francis Ford

Character: Botter Hood

J. Frank Glendon

Character: Sam Slater

Frank Beal

Character: Horace Moore

Caryl Lincoln

Character: Kate Bland

Tom London

Character: Dirk / Detective Dane

Al Ferguson

Character: Gavin

Jack Rube Clifford

Character: Doran

Edmund Cobb

Character: Spike

Joe Bonomo

Character: Joe

George Magrill

Character: Lefty

Harold Nelson

Character: Prof. Wilson

George DeNormand

Character: Henchman

William Gould

Character: Steele [Ch. 1]

Reb Russell

Character: One of Bob's College Pals

Larry Steers

Character: Maitre d', Red Lantern Cafe [Ch. 3]

Harry Strang

Character: Eddie, Waiter at Red Lantern Cafe [Ch. 3]