[1] Davis was then drafted to join the British Army Film and Photographic Unit, serving at the end of the Second World War at age 18.

[1] He was the camera operator on Seth Holt’s suspense thriller for Hammer Films, 1961’s Taste of Fear with cinematographer Douglas Slocombe.

"[1] Girl with Green Eyes won the United States National Board of Review Award for Best Director that year.

[1][4] At the 1966 San Sebastian International Film Festival, Davis won the Golden Shell award for I Was Happy Here.

[1] Davis reunited with the two female stars of Girl with Green Eyes, Rita Tushingham and Lynn Redgrave, in Smashing Time, a 1967 comedy set in swinging London.

Davis also directed the 1983 television adaptation of Arthur Conan Doyle's The Sign of Four with Ian Richardson as Sherlock Holmes.

For his next and last theatrical feature film, Davis directed the 1984 adaptation of Agatha Christie's Ordeal by Innocence starring Donald Sutherland and Faye Dunaway.