"Horror-Mask Key Clue As Master-Killer Slays Four!"
The Falcon travels to Mexico where he gets involved with murder and a mysterious painting.
Tom Conway
Tom Lawrence, aka The Falcon
Mona Maris
Raquel
Martha Vickers
Barbara Wade
Nestor Paiva
Manuel Romero
Mary Currier
Paula Dudley
Cecilia Callejo
Dolores Ybarra
Emory Parnell
James 'Lucky Diamond' Hughes [Script name: Winthrop Hughes]
Joseph Vitale
Anton
Pedro de Cordoba
Don Carlos Ybarra
Fernando Alvarado
Pancho Romero
Tom Conway
Tom Lawrence, aka The Falcon
Mona Maris
Raquel
Martha Vickers
Barbara Wade
Nestor Paiva
Manuel Romero
Mary Currier
Paula Dudley
Cecilia Callejo
Dolores Ybarra
Emory Parnell
James 'Lucky Diamond' Hughes [Script name: Winthrop Hughes]
Joseph Vitale
Anton
Pedro de Cordoba
Don Carlos Ybarra
Fernando Alvarado
Pancho Romero
