'' 21 Hours at Munich '' is a 1976 American television film directed by William A. Graham and starring William Holden . It is based on the book '' The Blood of Israel '' by Serge Groussard and it deals with real events concerning the Munich massacre during the 1972 Summer Olympics . It was broadcast by ABC November 7 , 1976 . Despite its TV origin , the film was released theatrically in several foreign countries
Munich massacre
Munich massacre
21 Hours at Munich