Frank Gruber
Dressed to Kill
(Adaptation)
The Mask of Dimitrios
(Screenplay)
Johnny Angel
(Adaptation)
Backlash
(Novel)
Accomplice
(Novel)
Accomplice
(Screenplay)
Man in the Vault
(Novel)
White Comanche
(Writer)
Northern Pursuit
(Screenplay)
Tension at Table Rock
(Novel)
Twenty Plus Two
(Producer)
Twenty Plus Two
(Screenplay)
The French Key
(Novel)
The French Key
(Screenplay)
Arizona Raiders
(Story)
Hurricane Smith
(Screenplay)
The Cariboo Trail
(Screenplay)
Terror by Night
(Screenplay)
The Texas Rangers
(Story)
Warpath
(Writer)
Town Tamer
(Novel)
Town Tamer
(Screenplay)
Denver and Rio Grande
(Writer)
Pony Express
(Story)
Oregon Trail
(Novel)
Dakota Lil
(Story)
Flaming Feather
(Additional Dialogue)
Silver City
(Writer)
In Old Sacramento
(Adaptation)
The Great Missouri Raid
(Novel)
The Great Missouri Raid
(Screenplay)
Fighting Man of the Plains
(Screenplay)
Fighting Man of the Plains
(Novel)
Gunfight at Black Horses Canyon
(Characters)
The Big Land
(Novel)
Bulldog Drummond at Bay
(Screenplay)
The Challenge
(Writer)
Death of a Champion
(Story)
Sheena: Queen of the Jungle
(Screenplay)
Shotgun Slade
(Writer)
Shotgun Slade
(Producer)
Shotgun Slade
(Creator)