Secrets of the Lone Wolf

Michael Lanyard

Warren William

Helene de Leon

Ruth Ford

Paul Benoit

Roger Clark

'Dapper' Dan Streever

Victor Jory

Jamison

Eric Blore

Inspector Crane

Thurston Hall

Wesley Dickens

Fred Kelsey

Colonel Costals

Victor Kilian

'Bubbles' Deegan

Marlo Dwyer

Deputy Duval

Lester Sharpe

Mr. Evans

Irving Mitchell

Bernard

John Harmon

Bob Garth

Joe McGuinn

Vanderbeek (uncredited)

Wheaton Chambers

Doorman (uncredited)

Ken Christy

Jewel Buyer (uncredited)

James Conaty

Police Officer (uncredited)

Bob Reeves

Squad Car Officer (uncredited)

Walter Sande

Squad Car Driver (uncredited)

Harry Strang

Toledo Patterson (uncredited)

John Tyrrell

Six O'Clock Sam (uncredited)

Paul Phillips