Writing John Sheppard Directed Higher Education 1988 Mania 1986 Other Credits Crowsnest Screenplay 2012 Visions Screenplay 2009 Never Cry Werewolf Writer 2008 Nature Unleashed: Avalanche Writer 2004 Ripper 2: Letter from Within Screenplay 2004 Detention Writer 2003 MacGyver: Lost Treasure of Atlantis Writer 1994 High Stakes Writer 1986 Mark of Cain Writer 1986 Bullies Screenplay 1986 Armour of God Screenplay 1986 Flying Writer 1986 American Nightmare Screenplay 1983 Agent-readable