Writing

1986		Doctor Who: The Ultimate Foe … Script Editor
1986		Doctor Who: Terror of the Vervoids … Script Editor
1986		Doctor Who: Mindwarp … Script Editor
1986		Doctor Who: The Mysterious Planet … Script Editor

1985		Doctor Who: Revelation of the Daleks … Script Editor … Writer
1985		Doctor Who: Timelash … Script Editor
1985		Doctor Who: The Two Doctors … Script Editor
1985		A Fix with Sontarans … Writer
1985		Doctor Who: The Mark of the Rani … Script Editor
1985		Doctor Who: Vengeance on Varos … Script Editor
1985		Doctor Who: Attack of the Cybermen … Writer … Script Editor

1984		Doctor Who: The Caves of Androzani … Script Editor
1984		Doctor Who: Planet of Fire … Script Editor
1984		Doctor Who: Resurrection of the Daleks … Script Editor … Writer
1984		Doctor Who: Frontios … Script Editor
1984		Doctor Who: Warriors of the Deep … Script Editor

1983		Doctor Who: The Five Doctors … Script Editor
1983		Doctor Who: Enlightenment … Script Editor
1983		Doctor Who: Terminus … Script Editor
1983		Doctor Who: Mawdryn Undead … Script Editor
1983		Doctor Who: Snakedance … Script Editor
1983		Doctor Who: Arc of Infinity … Script Editor

1982		Doctor Who: Time-Flight … Script Editor
1982		Doctor Who: Earthshock … Writer
1982		Doctor Who: Black Orchid … Script Editor
1982		Doctor Who: The Visitation … Writer
1982		Doctor Who: Kinda … Script Editor
1982		Doctor Who: Castrovalva … Script Editor

1981

… Script Editor

Acting

2019		Showman: The Life of John Nathan-Turner as Himself
2019		The Doctors: The Colin Baker Years

2018

2011		Driven to Distractation
2011		Come in Number Five
2011		Peter Grimwade: Directing with attitude...

2010

2008		The Making of The Trial of a Time Lord
2008		Trials and Tribulations

2007

2006		Built for War: The Sontaran Story
2006		The Dalek Tapes as Self

2005

1993

as Himself