Lucy Fry

 portrayed Marina Oswald, a Russian expatriate living in Texas with her husband, Lee Harvey Oswald.

Lucy Fry is an Australian actress, known for "Bright" (2017), 11.22.63 (2016) and "Mr. Church" (2016).

Trivia
Fry and Daniel Webber, who played Lee Harvey Oswald, were dating at the time the miniseries was in production.

Episodes

 * The Rabbit Hole
 * Other Voices, Other Rooms
 * The Eyes of Texas
 * The Truth
 * Happy Birthday, Lee Harvey Oswald
 * Soldier Boy