Stephen King is an unabashed fans of Sons of Anarchy.
He's made this clear in multiple columns for Entertainment Weekly and will soon get to prove it on screen:
The world famous author will actually appear on the third episode of Sons of Anarchy next season. He'll play a loner that gets involved with Gemma during her time of need.
In other show casting news related to Gemma:
Hal Holbrook will play this character's father on season three.