Brett Cullen (Houston, August 10, 1956) is an American actor with a long and prolific career. He began to gain prominence in the 1980s through notable television roles, such as Dan Fixx in *Falcon Crest* and Marshal Sam Cain in *The Young Riders*. His film career is characterized by a wide range of supporting roles in highly successful films, including *Apollo 13* (1995), *The Dark Knight Rises* (2012), and his pivotal portrayal of Thomas Wayne in *Joker* (2019). On the small screen, he has continued to be a constant and appreciated presence, appearing in acclaimed productions such as *Lost*, *Person of Interest*, *Narcos*, and *For All Mankind*. His acting ability earned him, among other accolades, a Screen Actors Guild Award nomination as a member of the cast of the series *The West Wing*. Known for his versatility and his frequent portrayal of authoritarian, military, or political figures, Cullen has established himself as one of Hollywood's most reliable character actors.