Name	Known for
Brian Wilde Detective Supt. Halcro Detective Supt. Halcro See fewer	Porridge (1979)
Kenneth MacKintosh Chief Supt. Maw Chief Supt. Maw See fewer	Kidnapped (1963)
Gwenda Ewen The Customer The Customer See fewer	The Doctor's Dilemma (1958)
John Forbes-Robertson Sergeant Costigan Sergeant Costigan See fewer	Lifeforce (1985)
Brian Harrison Detective Carter Detective Carter See fewer	Department S (1969)
Gladys Henson Mrs. Briggs Mrs. Briggs See fewer	Derby Day (1952)
Raymond Huntley Marcus Palmer Marcus Palmer See fewer	I'll Never Forget You (1951)
Beatrice Kane Beatrice Beatrice See fewer	Dick Barton at Bay (1950)
Pete Murray Curly Elphick Curly Elphick See fewer	My Brother Jonathan (1948)
Alan Rolfe The Reporter The Reporter See fewer	Jesus of Nazareth (1956)
Betty Romaine The Female Assistant The Female Assistant See fewer	Jane Eyre (1956)
Roger Snowdon Mr. Carstairs Mr. Carstairs See fewer	Jane Eyre (1956)
Hilary Tindall Tessa Hoosen Tessa Hoosen See fewer	The Brothers (1972)
Sidney Vivian Sam Sam See fewer	No Trace (1950)