Hollywood has lost another one of their own.

He was 80 years old, and the cause of his death is currently unknown.

“RIP sir….. it was such an honor to work with you on @SonsofAnarchy.

William Lucking posing with friends

You had a presence unlike any other.

You will truly be missed,” she wrote onTwitter.

His first credited role was in an episode of the television series “Ironside” in 1968.

William Lucking posing at ‘Sons of Anarchy’ premiere