Billy Mauch
— Penrod
Frank Craven
— Mr. Schofield
Spring Byington
— Mrs. Schofield
Craig Reynolds
— Roy Hanson
Harry Watson
— Sam
Jackie Morrow
— Rodney Bitts
Philip Hurlic
— Verman Diggs
Charles Halton
— Mr. Bitts
Bernice Pilot
— Delia
Kenneth Harlan
— Real G-Man
Matthew Beard
— Buzz (uncredited)
Georgie Billings
— Junior G-Man (uncredited)
Jack Cunningham
— Jack (uncredited)
Alan Davis
— Lefty (uncredited)
Ralph Dunn
— Joe (uncredited)
Sol Gorss
— Hanson's Driver
Mildred Gover
— Mrs. Diggs (uncredited)
Edward Hearn
— G-Man #2 (uncredited)
Stuart Holmes
— Doctor (uncredited)
Robert Homans
— Sheriff (uncredited)
Don Hulbert
— Junior G-Man (uncredited)
Muriel Kearney
— (uncredited)
Billy Lechner
— Wienie (uncredited)
Jerry Madden
— Slats Fogarty (uncredited)
Carlyle Moore Jr.
— Smilie McKay (uncredited)
Jack Mower
— Policeman #2 (uncredited)
Johnnie Pirrone Jr.
— Junior G-Man (uncredited)
Sam Rice
— Passerby Watching Fight (uncredited)
Cliff Saum
— Tom (uncredited)
Jerry Tucker
— Junior G-Man (uncredited)