A brief overview of his life and work, from travelling the waterways of Britain to producing popular documentaries.
Mark attended conventions in New Zealand and the UK last year, there are no appearances currently confirmed.
The Entropy Plague - the last in the E-space trilogy - was released 12th March. Mistfall and Equilibrium are also available.
Stage & Screen
Clips and extracts from his work as a television producer and director.
Details of all film and television appearances. including clips from many of his roles - here's Mark in "A Christmas Carol" with George C. Scott - available on DVD and Blu-ray.
Details of the Doctor Who television adventures including notes on available DVDs and novels.
Interviews and articles from 1983 to the present day.
Photographs from public appearances and many of his television roles.