Gang Busters

Kent Taylor

Det. Lt. Bannister

Irene Hervey

Vicki Logan

Ralph Morgan

Dr. Clayton Maxton

Robert Armstrong

Det. Tim Nolan

Ralf Harolde

Halliger

William Haade

Mike Taboni

Richard Davies

Happy Haskins

Joseph Crehan

Police Chief Martin O'Brien

George Watts

Mayor Hansen

John Gallaudet

Mr. Wilkerson

Victor Zimmerman

Ted Lane, alias Mr. Bernard

George J. Lewis

Joey Morrison, alias Mason

John Berkes

Mr. Grubb

Pat O'Malley

Police Chemist Crandall

Edward Emerson

Frenchy Ludoc