<Li> Bryan Chafin as Samuel Martin Fourth son, he is usually seen helping Nathan around the farm . When Gabriel is taken prisoner and Thomas is killed, he helps his father, Benjamin, rescue Gabriel by killing several British soldiers, even though he doesn't want to kill . For a short while, he becomes scared of his father after he witnesses him brutally killing and mutilating, post-mortem, a British soldier with a tomahawk . </Li> <Li> Logan Lerman as William Martin: Benjamin's fifth and youngest son . This character was not originally in the script and was only added because Mel Gibson wanted to have seven children in the film (like in real life) rather than six . Though present throughout the film, his only line is during the opening credits . </Li> <Li> Mika Boorem as Margaret Martin Benjamin's older daughter, she is often seen taking care of her younger siblings . </Li> <Li> Skye McCole Bartusiak as Susan Martin The younger daughter and child among Benjamin's seven children, she has a problem with speaking, which may be a post-traumatic reaction to the death of their mother; only later on does she finally open up . Her feelings towards her father change radically as the film progresses, and after Benjamin leaves from the furlough to rejoin his militia, in an extremely emotional scene, she seemingly forgives him and tells him she'll say anything he wants to make him stay, to which Benjamin can only promise to return, which Susan accepts . </Li>

Where was the final battle of the patriot filmed