Movies (As Crew)
Sorted by Release DateThe Murder of Fred Hampton
John Mason was
? in The Murder of Fred Hampton
as 'Editor'.
Sat, May 01 1971
TV 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
Star Trek: The Next Generation
John Mason was
? in Star Trek: The Next Generation
as 'Writer'.
First Air Date
Mon, Sep 28 1987
Mon, Sep 28 1987