Started in American film as a gaffer/electrician in the late 1970s. Other credits include ANDROID (1982, a.d.), MATEWAN (1987, 1st a.d.), SCHOOL DAZE (1988, prod. manager), and DEFENSELESS (1991, 1st a.d.). Karrell directed BEHIND THE RED DOOR (2002, also director & producer) and ONCE UPON A WEDDING (2005). Her television series directing credits include episodes of "The Wonder Years" (1988), "Parenthood" (1990), "Great Scott!" (1992), "The West Wing" (2006) and "American Heiress" (2007).  Nominated for Achievement in Live Action Short Films 1988: CADILLAC DREAMS - Producer (w. Abbee Goldstein) 1 nomination