Theodore Scott Glenn (born January 26) is an American actor. His roles have included Wes Hightower in Urban Cowboy (1980), astronaut Alan Shepard in The Right Stuff (1983), Emmett in Silverado (1985), Commander Bart Mancuso in The Hunt for Red October (1990), Jack Crawford in The Silence of the Lambs (1991), John Adcox in Backdraft (1991), Montgomery Wick in Vertical Limit (2000), Roger in Training Day (2001), Ezra Kramer in The Bourne Ultimatum (2007), Kevin Garvey, Sr., in The Leftovers (2014–2017), and as Stick in both Daredevil (2015–2016) and The Defenders (2017).
Glenn has Irish and Native American ancestry. During his childhood he was regularly ill, and for a year was bed-ridden, including having scarlet fever. Through intense training programs he recovered from his illnesses, also overcoming a limp.
After graduating from a Pittsburgh high school, Glenn entered The College of William and Mary where he majored in English. He joined the United States Marine Corps for three years, then worked roughly five months as a reporter for the Kenosha Evening News, located in Kenosha, Wisconsin. He tried to become an author, but found he could not write dialogue that satisfied the readers. To learn the art of dialogue, he began taking acting classes.