Donald Sumpter (born 13 February 1943) is an English actor. He has appeared in film and television since the mid-1960s. One of his early television appearances was the 1968 Doctor Who serial The Wheel in Space with Patrick Troughton as the Doctor. He appeared in Doctor Who again in the 1972 serial The Sea Devils with Jon Pertwee. He also appeared in the Doctor Who spin-off The Sarah Jane Adventures. His early film work included a lead role as real life British criminal Donald Neilson in the 1977 film, The Black Panther.
He also appeared in many television films and serials, including adaptations of Dickens' novels: Nicholas Nickleby in 2001, Great Expectations in 1999 and Bleak House in 1985. Also in 1985, he was remembered for the part of villain Ronnie Day in Big Deal. He played the part of suspected serial killer Alexander Bonaparte Cust in the (1992) Agatha Christie's Poirot episode, The ABC Murders. He has also appeared in episodes of Midsomer Murders, The Bill, Holby City, and A Touch of Frost. He also had a recurring role as Uncle Ginger in the Children's BBC series The Queen's Nose. He played Harold Chapple in Our Friends in the North, and portrayed the physicist Max Planck in Einstein and Eddington. He has also been seen as Kemp in the horror-drama series Being Human. In 2011 he portrayed Maester Luwin in the HBO series Game of Thrones.
His film appearances include The Constant Gardener (2005), K-19: The Widowmaker (2002), Enigma (2001) and Ultramarines: The Movie (2010).
Maester Luwin
The President
Tim Settingfield
Enrico Casali
Commander Ridgeway
Arthur Bigge
Cust
Julian Hereford
Sudbury
Pompeius
Edward Peveril
Emil Valdemar
The Fisher King
Seer
Roscoe
Erasmus Darkening
Zharkov
Stephen Kirby
Chairman
Indenrigsminister Nacuk
Tiresius
Kemp
Sir James
Villiers
Aram
Commander Harold Chapple
Garson
'Nemo'
Uncle Ginger
Mabeuf
Detective Inspector Gustaf Morell
Gordon Pyke
Sidney
Dr. Rawl
Paul Brack
Parson Tringham
Samuel Greg
Keith Sullivan
Paul Macy
Yuri
Quincy
Josh Crawford
Eddie's Father
Jim Arthurton
Bishop Peter Ball
Tim Donohue
Supt. John Mayberry
Dr. Savran
Leveret
Brenman
Max Planck
Pythol (voice)
Haddock / Ghost of Marley
Lord Halifax
Alfred Singleton
Dave
Donald Neilson
Pentonville Governor
Simon Martlesham
Agent
Brackenbury
Claudius
Party Guest
Compeyson
Benni Baum
Pogossian
Salgado
Peter Edlin QC
Mr. Brooker
TV Concert Producer
Max
Compeyson
Sparks, the Radioman
Ahmed Yaasin
Grandfather
Steve
Norman's Friend
Man on bench
Commander Ridgeway
Mark
Dellow
Self
Paddy Ashdown
Pompeius
Voice of Creation
Enrico Casali
Kartashov
Tom
Pete Laver
Frank
Spalding
David
Michael, le père
David
Johnny
King Edward
Brother Martin Jerome