Claim: Rope was released in Technicolor in 1948.
Evidence: Starring James Stewart , John Dall and Farley Granger , this is the first of Hitchcock 's Technicolor films , and is notable for taking place in real time and being edited so as to appear as a single continuous shot through the use of long takes.
Rope is a 1948 American film noir psychological crime thriller film directed by Alfred Hitchcock , based on the 1929 play of the same name by Patrick Hamilton , and adapted by Hume Cronyn and Arthur Laurents.