War for the Planet of the Apes broader inspirations from films like "The Bridge on the River Kwai" and "The Great Escape". Feeling that there was a need to imbue Biblical themes and elements, they also watched Biblical epics like "Ben-Hur" and "The Ten Commandments". The influences and inspirations were made evident in the relationship between Caesar and Woody Harrelson's Colonel, a military leader with pretensions toward godhood. Reeves has compared their relationship to the dynamic between Alec Guinness's British Commander and Sessue Hayakawa's prison camp Colonel in "Bridge on the River Kwai". Another comparison is in Caesar's journey to find the Colonel, flanked by a posse
The Bridge on the River Kwai by former POW John Coast, sought to highlight the real history behind the film (partly through getting ex-POWs to question its factual basis, for example Dr Hugh de Wardener and Lt-Col Alfred Knights), which angered many former POWs. The documentary itself was described by one newspaper reviewer when it was shown on Boxing Day 1974 ("The Bridge on the River Kwai" had been shown on BBC1 on Christmas Day 1974) as "Following the movie, this is a rerun of the antidote." Some of the characters in the film use the names of real people who were involved in the Burma