John Mantley
Crew
The 27th Day
(Screenplay)
The 27th Day
(Novel)
Gunsmoke: Return to Dodge
(Producer)
Woman Obsessed
(Novel)
The Parson and the Outlaw
(Writer)
My Blood Runs Cold
(Screenplay)
Gunsmoke: The Last Apache
(Executive Producer)
Cutter's Trail
(Producer)
The Macahans
(Executive Producer)
Gunsmoke
(Writer)
Gunsmoke
(Producer)
Rawhide
(Writer)
How the West Was Won
(Writer)
MacGyver
(Producer)
The Outer Limits
(Writer)