William Devane to Guest-Star on Revenge

Knots Landing alum William Devane is headed to ABC's Revenge, where he'll play Conrad Grayson's father Edward, Entertainment Weekly reports.
Victoria Grayson, played by Madeleine Stowe, will reportedly call upon Edward for help as she engages in a bitter divorce battle from her husband, Conrad (Henry Czerny).

Check out full episodes of Revenge

The series returns on Wednesday, Jan. 4, but Devane won't appear until February.Devane, 74, starred as Greg Sumner on the prime-time soap opera Knots Landing for 10 years. Since then, he's appeared in The West Wing and 24.