Jeremy Spenser (born Jeremy John Dornhurst de Saram, 16 July 1937) is a British actor who made his screen debut aged 11 in Anna Karenina (1948). The following year he played in the black comedy Kind Hearts and Coronets as the young Louis Mazzini. He played the young King Nicolas in The Prince and the Showgirl with Laurence Olivier and Marilyn Monroe, and in Ferry to Hong Kong with Orson Welles. In the 1960s, the role offers began to slow down. His last film role was in 1966's Fahrenheit 451 directed by François Truffaut. A little later Spenser retired from acting. He is the brother of British actor, director, producer and writer David Spenser. [biography from Wikipedia]
  The Prince and the Showgirl
  The Roman Spring of Mrs. Stone
  Ferry to Hong Kong
  Appointment with Venus
  Escapade
  The Planter's Wife
  Prelude to Fame
  The Spider and the Fly
  The Man Who Loved Redheads
  Portrait of Clare
  King and Country
  The Siege of Manchester
  Wonderful Things
  After the Show
  The Dancing Years
  The Brain
  Background
  Devil on Horseback
  Kind Hearts and Coronets
  Operation Crossbow
  It's Great to be Young!
  Summertime
  He Who Rides a Tiger
  Fahrenheit 451
  Anna Karenina
  Man in a Suitcase
  The Third Man
  The Human Jungle
  Theatre 625
  Espionage