"Complicated plot involving missing stamp collection and kidnapped businessman, with the Lone Wolf keeping one step ahead of the police in Havana trying to solve the crime and make a profit."
Warren William
as Michael Lanyard
Frances Robinson
as Patricia Lawrence
Bruce Bennett
as Scotty
Eric Blore
as Jamison
Thurston Hall
as Inspector Crane
Jed Prouty
as Captain Moon
Fred Kelsey
as Dickens
Don Beddoe
as Big Joe Brady
Lester Matthews
as Mr. Lee
Edward Gargan
as Chimp
Eddie Laughton
as Measles
Mary Servoss
as Mrs. Colby
Francis McDonald
as Santos the Portuguese
John Henry Allen
as First Black Newsboy
Herbert Ashley
as Morgue Attendant
Steve Benson
as Motorcycle Squad Member
Leon Davidson
Gayle DeCamp
Dudley Dickerson
as Waiter
George Dobbs
as Hotel Desk Clerk
Jay Eaton
as Salesman Helping Crane
Richard Fiske
as Croupier With Check
Jay Gudelia
Henry Hebert
as Cyrus Colby
Charles R. Moore
as Sam - Carriage Driver
Alberto Morin
as Manuel - Stamp Dealer
Jack Rice
as Salesman Helping Lanyard
Jimmy Robinson
as Second Black Newsboy
Harry Strang
as Dock Attendant
John Tyrrell
as Taxi Driver
Evelyn Young
as Department Store Cashier
Sidney Salkow
Director
Earl Felton
Screenplay
Story
Louis Joseph Vance
Characters
Barney McGill
Director of Photography
Richard Fantl
Editor
Lionel Banks
Art Direction
Robert Kalloch
Costume Design
Morris Stoloff
Music Director