Henry Wilks (78 episodes, 1972-1991)
Aldred - Archbishop of York
Beasley-Wittersham / ... (3 episodes, 1964-1965)
Stacey / ... (5 episodes, 1963-1970)
Dr. Grant / ... 2 episodes, 1964-1968
George Greenwood (1 episode, 1968-1971)
Henry Wilks (credit only)