and John Ayldon as Sullivan, in which Gilbert, Sullivan and Carte plan the birth of Trial in 1875. In 1976, Pratt appeared in the serial The Deadly Assassin from the BBC's long-running science fiction television series Doctor Who, replacing the late Roger Delgado to become the second actor to play the Master. Pratt received praise for the performance, which relied heavily on his voice because of the restrictive nature of his mask and costume. In 1977, Pratt appeared with Hinge and Bracket in an episode of "The Stackton Music Festival, A sonic jamboree" for BBC Radio. In 1981, he toured with a group called the "London Savoyards". He also appeared as a soloist in the concert video recording "Gilbert & Sullivan Present their Greatest Hits," made at Royal Albert Hall in 1982. Pratt died in London in 1995, aged 71. Personal life Pratt was married to D'Oyly Carte soubrette Joyce Wright during his days with that company. He later married Patience Sheffield, a BBC drama Studio Manager and daughter of former D'Oyly Carte baritone Leo Sheffield. Filmography The Stackton Music Festival The Enchanting World of Hinge & Bracket TV – Himself The Ordeal of Richard Feverel (1964) TV – Peter Brayder The Edwardians (1972) TV – Charlie Coburn Van der Valk Blue Notes (1972) TV – Westermann Murder Must Advertise (1973) TV – Mr. Pym The Brontes of Haworth (1973) TV – Mr. Woolven Menace The Solarium (1973) TV – Singer Play for Today Jack Point (1973) TV – Fenner Z-Cars Cadet (1973) TV – Fisherman Fall of Eagles (1974) TV – Singer Doctor Who The Deadly Assassin (1976) TV – The Master The Story of Ruth (1981) – Dr. Peter Ferris Squadron The Veteran (1982) TV – Len Travis The Best of Gilbert and Sullivan (1983) (V) – Soloist Notes References Introduction by Martyn Green. Pedrick, Gale. "The Comedian Who Never has a Flop", Everybody's magazine, April 1959 External links Photos of Pratt as Ko-Ko and "The Master" Photo of Pratt in Iolanthe 1923 births 1995 deaths 20th-century British male opera singers 20th-century English male actors Classical music radio presenters English male stage actors English male television actors People from Eastbourne