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 that producer Sam Spiegel cheated him out of his rightful part in the credits since he had had a major hand in the script. The film was relatively faithful to the novel, with two major exceptions. Shears, who is a British commando officer like Warden in the novel, became an American sailor who escapes from the POW camp. Also, in the novel, the bridge is not destroyed: the train plummets into the river from a secondary charge placed by Warden, but Nicholson (never realising "what have I done?") does not fall onto the plunger, and the bridge suffers only minor