Movies (As Crew)
Sorted by Release DateTV Shows (As Crew)
Sorted by Release DateAges in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages
Hitler: The Lost Tapes of the Third Reich
John Marks was
? in Hitler: The Lost Tapes of the Third Reich
as 'Director, Executive Producer, Creator'.
First Air Date
Mon, Apr 10 2023
Mon, Apr 10 2023
Search for the Lost Giants
John Marks was
? in Search for the Lost Giants
as 'Co-Executive Producer'.
First Air Date
Tue, Nov 04 2014
Tue, Nov 04 2014
Inside the American Mob
John Marks was
? in Inside the American Mob
as 'Producer'.
First Air Date
Sun, Jul 28 2013
Sun, Jul 28 2013