His father, A.J. Evans, was a World War I prisoner-of-war escapee who wrote the 1926 novel "The Escaping Club.".
Was Audrey Hepburn's love interest in the Broadway version of "Gigi".
Moved to New York City in 1950 to star in the Broadway play "Ring Around the Moon" before later moving to Hollywood.
His mother, Mary Galbraith, was an Irish concert violinist. His father, A.J. Evans, was a World War I flyer who twice escaped prisoner-of-war camps and wrote an adventure book about it entitled, "The Escaping Club".
Made his London stage debut in 1948.
Was a Royal Air Force navigator during World War II who flew during the German bombing of London.