Theodore Scott Glenn (born January 26, 1941) is an American actor. His roles have included Wes Hightower in Urban Cowboy (1980), astronaut Alan Shepard in The Right Stuff (1983), Commander Bart Mancuso in The Hunt for Red October (1990), and Jack Crawford in The Silence of the Lambs (1991).
Glenn was born in Pittsburgh, Pennsylvania, the son of Elizabeth, a homemaker, and Theodore Glenn, a business executive. He grew up in Appalachia and has Irish and Native American ancestry. During his childhood he was regularly ill, and for a year was bed-ridden. Through intense training programs he got over his illnesses, including a limp. After graduating from a Pittsburgh high school, Glenn entered The College of William and Mary where he majored in English. He then joined the Marine Corps for three years and worked roughly five months as a reporter for the Kenosha Evening News. He then tried to become an author, but found he could not write good dialogue. To learn the art of dialogue, he began taking acting classes.
In 1965, Glenn made his Broadway debut in The Impossible Years. He joined George Morrison's acting class, helping direct student plays to pay for his studies and appearing