"A doctor testing drugs on convicts gets mixed up in a murder investigation."
John Howard
as Dr. Ross Williams
Joan Dixon
as Lt. Joan McKenna
Walter Kingsford
as Dr. J.P. Finley
Lynne Carter
as Ethel Ganz
Robert Shayne
as Barry Morgan
Kim Spalding
as Duke Shaw
Sam Scar
as Eddie Ganz
Kenneth MacDonald
as Col. Harris
Dick Cogan
as Dan Staley
Frank Cady
as Max Henry
Byron Foulger
as Jim Carlton, Realtor
Ralph Peters
as Bartender
Lewis Martin
as Asst. District Attorney Walton (as Louis Martin)
Harry Lauter
as Richard 'Dick' McKenna
Raymond Largay
as Warden Keaton
Bess Flowers
as Nightclub Patron (uncredited)
George F. Slavin
Original Story
Jackson Rose
Director of Photography
Edward L. Cahn
Director
Orville H. Hampton
Screenplay
Producer
George W. George
Philip Cahn
Editor
Ted Larsen
Makeup Artist
Irving Gertz
Original Music Composer
George Bahr
Property Master
Boris Leven
Art Direction
Meta Rebner
Script Supervisor
Otto Siegel
Set Decoration
Frank Fox
Assistant Director
Frank Tait
Wardrobe Supervisor
Esther Krebs
John R. Carter
Sound
Lela Chambers
Hairstylist
