Los Angeles: The Cosby Show` star Malcolm-Jamal Warner will guest star in `Sons of Anarchy`.
The series will air its final season on FX, from September 9 in the US, reportedly. Warner has been tapped to play a member of the Grim Bastards called Sticky.
The 43-year-old actor is scheduled to appear in the show`s seventh season opener. Warner joins this season`s guest stars, Courtney Love and Marilyn Manson.
He recently appeared in `Major Crimes` and `The Michael J Fox Show`.