John Ruddock (20 May 1897 – 1981) was a Peruvian-born British film and television actor.
John Ruddock was born on May 20, 1897 in Lima, Peru as John Reynolds Ruddock. He was the first of seven children of his British father and American mother. After the family returned to England he was sent to school at Saint Lawrence College, Ramsgate, Kent from 1910 to 1914.
He worked briefly for an insurance company in Liverpool before volunteering to fight in the First World War. He was commissioned into the Royal Northumberland Fusiliers and saw action on the Somme and at Passchendaele. He was wounded several times and on one occasion was buried for fifteen hours as a result of an artillery bombardment.
In the 1920s he attended The Royal College of Music and then The Royal Academy of Dramatic Art. He was in repertory in the 1930s and with the Shakespeare Memorial Theatre company at Stratford.
During the Second World War he worked for the Entertainments National Service Association.
Further stage performances for the RSC after the war included John of Gaunt in Richard II and Shylock in The Merchant of Venice.