Gil Bellows

 portrayed James Hosty, an FBI agent investigating Lee Harvey Oswald and Jake Epping.

Biography
Bellows is a Canadian actor and producer, known for "The Shawshank Redemption" (1994), "Love and a .45" (1994) and "Ally McBeal" (1997). He has been married to Rya Kihlstedt since October 3, 1994. They have two children.

Trivia
Gil Bellows was also in "The Shawshank Redemption" (1994), a film based on a Stephen King short story.

Episodes

 * Happy Birthday, Lee Harvey Oswald
 * The Day in Question