Peter Brett Cullen (born August 26, 1956) is an American actor who has appeared in numerous motion pictures and television programs. Cullen played Dan Fixx in the 1980s CBS drama Falcon Crest for two seasons (1986–88) and Marshal Sam Cain in the ABC western series The Young Riders for one season (1989–90). In 1980, he appeared as the second Gideon Chisholm in the last nine episodes of the CBS western miniseries The Chisholms. In the four earlier episodes, the Gideon Chisholm role was played by Brian Kerwin. Cullen was the lead actor as Ned Logan in the short-lived Legacy, which lasted for just one season (1998–99). On the series The West Wing Cullen played Ray Sullivan, a fictional former State Attorney General and governor of West Virginia and the Republican nominee for Vice President. His guest appearances on TV include: The Incredible Hulk, Tales from the Crypt, M*A*S*H, V, Matlock, Star Trek: Deep Space Nine, Ally McBeal, Walker, Texas Ranger, Once and Again, Without a Trace, Cold Case, The Mountain, Monk, CSI: Miami, NCIS, Desperate Housewives, Pepper Dennis, Criminal Minds, Lost, Ghost Whisperer, Private Practice, Ugly Betty, and Friday Night Lights. In 2009, he had a recurring role in the ABC Family television series Make It or Break It. He played one of the CAPCOMs in Apollo 13 and real-life astronaut David Scott in the HBO mini-series From the Earth to the Moon.

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