John Beck (born January 28, 1943) is an American retired actor, known for his role as Mark Graison in the television series Dallas during the mid-1980s. Early life Beck was born in Chicago, Illinois but he grew up in Evanston and Joliet on his father's ranch with the goal of becoming a veterinarian. His goals changed at the age of sixteen after performing in a play in high school to overcome shyness. Three years later, Beck moved to California and took jobs in television commercials. In 1963-4, Beck attended Joliet Junior College but quit to begin acting in plays in other cities. Career Beck's television debut was as a Sergeant in the 1965 I Dream of Jeannie episode, "Russian Roulette". His first regular role was on the western series Nichols (1971-1972) alongside James Garner, playing the role of Orv Ketcham. In film, one of Beck's earliest roles was as Skinny in Cyborg 2087 (1966). Beck played Erno who leads a revolt against a fascist government in the Woody Allen sci-fi comedy Sleeper (1973). That same year, he appeared as John W. Poe in the Sam Peckinpah western Pat Garrett and Billy the Kid. In 1975, he appeared opposite James Caan as Moonpie in Rollerball. He had a leading role in The Other Side of Midnight (1977), which had some prestige, but the film was a failure at the box office. Other film credits include The Big Bus (1976), Audrey Rose (1977), Deadly Illusion (1987), In the Cold of the Night (1990), A Climate for Killing (1991), Last Time Out (1994), Black Day Blue Night (1995), Dark Planet (1997), A Place to Grow (1998), Chain of Command (2000), Crash Point Zero (2001), Timecop 2: The Berlin Decision (2003), and Crash Landing (2005). Beck also took guest roles in television soap operas, movies, and series, one of the most popular being, Dallas. Guest appearances include, Baywatch, Bonanza, Death Valley Days, Diagnosis: Murder, Gunsmoke, Hawaii Five-O, Magnum, P.I., Mannix, Matlock, Mission: Impossible, The Mod Squad, Murder, She Wrote, Perry Mason: The Case of the Lady in the Lake, Star Trek: Deep Space Nine, Touched by an Angel, The Twilight Zone (1989), and Walker, Texas Ranger, among others. Recurring soap opera roles include, Dorian Blake in Peyton Place: The Next Generation, Sam Curtis in Flamingo Road, David Raymond in Santa Barbara, and Bruce in Passions. As a voice actor, Beck played the role of