Powers died in his sleep at home [in Los Angeles] this morning of natural causes.
His talents werent only limited to genre material.
Boothe's last major role would be on the TV series Nashville as Lamar Wyatt, the industrialist and former mayor.
"At the end of a Nashville Season One party, when the great Powers Boothe started to sing "Honky Tonk Man" on @theryman Auditorium stage, I grabbed my phone as fast as I could". His friend, actor Beau Bridges tweeted the news Sunday afternoon.
In 1980, #PowersBoothe's lead role in the film Guyana Tragedy: The Story of Jim Jones earned him an Emmy.
Renowned for his acting work, Boothe was well known for taking up roles of darker characters in television.
Boothe also was part of two ensembles nominated for SAG Awards - in 1996 with the cast of "Nixon" and in 2007 with the cast of "Deadwood". He also played a lot of live-action villains, including a snarling, evil politician in Sin City and ruthless saloon owner Cy Tolliver on Deadwood.
Boothe gained a reputation for playing villains with memorable roles in the action film Sudden Death (1995), Bill Paxton's Frailty (2001) and the nefarious Senator Roark in Sin City (2005).
'There will be a private service held in Texas where he was from.
Sinise's tribute emerged a day after Powers' representative instructed fans wanting to honor the late actor's memory to make donations in his name to Gary's self-titled charity, which helps to support veterans and families in need.
Peter MacNicol, who worked alongside Boothe on 24, said: "Every word this great, old-school actor spoke on camera sounded like a first time utterance".
Powers Allen Boothe was born June 1, 1948, in the West Texas town of Snyder, south of Lubbock.
"Horrible news about Powers Boothe. consistently the best thing in whatever he was in". They Wednesday in 1969 and went on to have two children, a son Preston and a daughter, Parisse.