Richard O'Callaghan (born Richard Brooke; 7 March 1940, London) is an English film, stage and television character actor.

This biography of a living person relies on a single source. (June 2012)

He is the son of actors Patricia Hayes and Valentine Brooke, whose stage name was Valentine Rooke. As a boy actor he was known as Richard Brooke. He has led a versatile career in film, stage and television in a wide range of roles. He is best known for his role in the British film Carry On at Your Convenience (1971).

• The Bofors Gun (1968) ... Rowe^[1]
• Carry On Loving (1970) ... Bertram Muffet^[1]
• Carry On at Your Convenience (1971) ... Lewis Boggs^[1]
• Butley (1974) ... Joey Keyston^[1]
• Galileo (1975) ... Fulganzio^[1]
• Watership Down (1978) (voice) ... Dandelion^[1]
• Dangerous Beauty (1998) ... Zealot

• Out of the Unknown ('Stranger in the Family', episode) (1965)...Boy
• Z-Cars (1965) ... Jim Blackitt
• The Flower of Gloster (1967) ... Richard Doherty
• The Good and Faithful Servant (1967)
• The Ronnie Barker Playhouse (1968) ... Shelley Longfellow Morgan (1 episode) 'Tennyson' (1968)
• Public Eye ... Frank (2 episodes, 1968–1969) – "Mercury in an Off-White Mac" (1968), "Divide and Conquer" (1969)
• The Wednesday Play (1969) (1 episode: 'The Last Train through Harecastle Tunnel' (1969) ... Fowler
• Thirty-Minute Theatre (1970) (1 episode: 'The Tidewatchers'
• Vile Bodies (1970) ... Adam
• Thriller (1973) 1 episode: 'File It Under Fear' ... George Bailey
• Professional Foul (1977) ... Chetwyn
• Renoir, My Father (1978) ... Auguste Renoir
• Two's Company ... Richard (1 episode ("The Silence"), 1979)
• The Green Tie on the Little Yellow Dog (1983) (TV).^[2]
• Boon "The Fall and Rise of the Bowman Empire" (1989) ... Cecil Bowman^[3]
• Spatz (1992) ... Horace Flint ( 1 episode, 1992)
• The History of Tom Jones, a Foundling (1997) TV series ... Mr Fitzpatrick
• Midsomer Murders (1 episode) (2005) ... Trevor Machin ... "Bantling Boy"
• Heartbeat 1 episode) (2005)... Ringer Redknapp ... "Rustlers & Hustlers"
• The Afternoon Play ... Harry ... 1 episode ... "Molly" (2006)
• Dalziel and Pascoe ... Aiden Scarman ... 4 episodes ... "Demons on Our Shoulders" & "Project Aphrodite" (2007)
• Casualty ... Eddie Morris ... 1 episode ... "When Love Came to Town" (2008)
• New Tricks ... Will Carter ... 1 episode ... "Loyalties and Royalties" (2008)
• Red Dwarf: Back to Earth ... The Creator ... 1 episode ... "Part Three" (2009)
• Red Dwarf X ... Hogey the Roguey ... 1 episode ... "The Beginning" (2012)

• Dirty Linen (1976); Almost Free Theatre
• Brimstone and Treacle (1979); Open Space Theatre
• Amadeus (1981); Her Majesty's Theatre, London
• The Happiest Days of Your Life (1984); Barbican Theatre, London
• The Magistrate (2000); Royal Exchange, Manchester
• Educating Rita (2002; UK tour)
• 1605 (2005); Chichester Festival Theatre
• King Lear (2005); Chichester Festival Theatre
• Titus Andronicus (2006; as Marcus Andronicus); Shakespeare's Globe
• The Last Confession (2007); Chichester Festival Theatre/Theatre Royal, Haymarket
• Twelfth Night (2008; as Malvolio); Open Air Theatre, Regent's Park
• The Story of Vasco (2009; as Caesar); Orange Tree Theatre
• Haunting Julia (2011; as Joe Lukin); Riverside Studios, Hammersmith
• The Last Confession (2014; World tour)
• The Importance of Being Earnest (2015);(Vaudeville Theatre)

• Murder Must Advertise (1979, BBC Radio) ... Mr Willis
• The Lord of the Rings (1981, BBC Radio) ... Meriadoc Brandybuck
• Have His Carcase (1981, BBC Radio) ... Julian Perkins
• Patterson (1981, BBC Radio) ... Cuthbertson