Cast and credits of Special Agent K-7

Walter McGrail
Vincent 'Lanny' Landers

Queenie Smith
Ollie O'Dea

Irving Pichel
Lester Owens

Donald Reed
Billy Westrop

Willy Castello
Eddie Geller

Duncan Renaldo
Tony Blank

Joy Hodges
Peppy

Richard Tucker
John Adams - Chief Agent

Malcolm McGregor
Silky Samuels (as Malcolm MacGregor)

Hans Joby
Schmidt (as Capt. John Peters)

George Eldredge
Ames - Prosecuting Attorney

David MacDonald
Goodwin

Harry Harvey
Speedy

James Guilfoyle
Kennedy

'Snub' Pollard
Waiter at Geller's Club (as Snub Pollard)

Allan Cavan
Judge #1 (uncredited)

Phil Dunham
Croupier (uncredited)

Harrison Greene
Robbins - City Editor (uncredited)

John Ince
Judge J.B. Ellis (uncredited)

I. Stanford Jolley
Man in Bar (uncredited)

Fred Kelsey
Juror (uncredited)

Dick Rich
Detective Hogan (uncredited)

Phil Dunham
(photoplay)