William Joseph Devane (born September 5, 1939) is a film, television and theater actor who portrayed Al Capone in the second season episode That Old Gang of Mine.
He is known for his television roles of Greg Summer in the soap opera Knots Landing and James Heller in the drama 24 and its spin off 24: Live Another Day.
He has also had various film roles including Dr. Scott McKenzie in Time Stalkers and Eugene "Gene" Davis in Space Cowboys
