Name	Known for
Raymond Francis Chief Det. Supt. Tom Lockhart Chief Det. Supt. Tom Lockhart See fewer	Miss Marple: The Body in the Library (1984)
Sean Caffrey Det. Sgt. Gregg Det. Sgt. Gregg See fewer	Doctor Who (1963)
Billy Russell Old Fred Old Fred See fewer	The Man in the White Suit (1951)
Susan Richards Ada Ada See fewer	The Lady of the Camellias (1976)
Billy Milton Mr. Porter Mr. Porter See fewer	The 2nd Best Secret Agent in the Whole Wide World (1965)
John Quentin Ian Thompson Ian Thompson See fewer	Wittgenstein (1993)
Anna Barry Hazel Thompson Hazel Thompson See fewer	Your Highness (2011)
Robin Ford Bowan Bowan See fewer	Gazette (1968)
John Ronane Brian James Brian James See fewer	Most High (2012)
Clive Colin Bowler Jimmy James (as Clive Colin-Bowler) Jimmy James (as Clive Colin-Bowler) See fewer	Department S (1969)
Beatrix Mackey Mrs. Anderson Mrs. Anderson See fewer	The Railway Children (1970)
Stanley McGeagh Con. Clark Con. Clark See fewer	Gandhi (1982)