J. Mark Roberts

The Silent Playground

as PC in sub-station

Dec 31, 1963

The Secret Thread

as PC Bell

Jan 5, 1962

Crossroads to Crime

as Phillips

Nov 1, 1960

Depth Charge

Jan 1, 1960

Crane

Apr 2, 1963

Dr. Finlay's Casebook

as Tannochbrae Policeman

Aug 16, 1962