Mark Ware Isham (born September 7, 1951) is an American musician and film composer. A trumpeter and keyboardist, Isham works in a variety of genres, including jazz and electronic. He is also a film composer, having worked on numerous films and television series, including The Hitcher, Point Break, A River Runs Through It, Of Mice and Men, Warrior, Nell, Blade, Crash, The Black Dahlia, The Lucky One, October Sky, and Once Upon a Time.

Isham acted as well in Made in Heaven by Alan Rudolph (1987) and directed The Cowboy and the Ballerina in 1998.

Source: Wikipedia (https://en.wikipedia.org/wiki/Mark_Isham)