LOS ANGELES — Powers Boothe, the character actor known for his villain roles in TV’s “Deadwood,” and in the movies “Tombstone,” ”Sin City” and “The Avengers,” has died. He was 68.

Boothe’s publicist says he died of natural causes at his home in Los Angeles Sunday.

Beau Bridges tweeted the news and called him “a dear friend, great actor, devoted father and husband.”

The veteran actor won an Emmy award in 1980 for playing cult leader Jim Jones in the TV movie “Guyana Tragedy: The Story of Jim Jones.” He also had memorable roles playing the ruthless saloon owner Cy Tolliver in “Deadwood,” the gunman Curly Bill Brocius in “Tombstone” and the corrupt senator in “Sin City.”

According to hollywoodreporter.com, Boothe, who grew up on a farm in Texas, began his acting career in the theater, playing in a number of Shakespearean productions including Henry IV. He made his Broadway debut in the late 1970s in “Lone Star & Pvt. Wars.” He portrayed Alexander Haig in Nixon (1995) and a sheriff in another Oliver Stone film, “U Turn” (1997). He also played Connie Britton’s father, the industrialist and former mayor Lamar Wyatt, on “Nashville” and portrayed Noah Daniels, the vice president Daniels and then the U.S. president, on “24.”

A private service will be held in Texas.