His 1976 New Faces win propelled him to TV, followed by his own show and a couple of sitcoms before becoming a game show host with Big Break and The Generation Game.
In 1997 he was named Showbusiness Personality of the Year by the Variety Club of Great Britain
Davidson is a ardent supporter of British troops, and frequently travels abroad to entertain them. He has made four visits to the Falkland Islands and in 1999 he travelled twice to Macedonia, In the same year he launched the British Forces Foundation charity.
He is also a theatre producer, backing such West End hits Buddy and Great Balls of Fire, as well as a number of pantomimes throughout the UK.