Noel Bangert (April 18, 1931 – June 30, 2010), professionally known as Noel Marshall, was an agent in Hollywood, California in the 1960s. He later became the executive producer of the 1973 horror film The Exorcist. He wrote, directed, co-produced and starred in the film Roar (1981), which also featured his then-wife Tippi Hedren, stepdaughter Melanie Griffith, and his sons, John and Jerry, from a previous marriage to Jaye Joseph. Roar was an accident-ridden film that featured tigers and lions. The film took eleven years and $17 million to make, and brought in only $2 million worldwide. He passed away at age of 79, after a battle with brain cancer.