American actor (born 1950) who played Luther Sloan, the Section 31 operative who repeatedly tries to recruit Doctor Bashir, in three episodes of Deep Space Nine.
William Sadler is an American actor known for films such as Die Hard 2, The Shawshank Redemption and Bill and Ted's Bogus Journey, in which he played Death.
In Deep Space Nine he played Luther Sloan, the first agent of the secret organisation Section 31 to be seen on screen. Sloan appears in Inquisition, where he tests Bashir's loyalty inside a holographic deception, and returns in Inter Arma Enim Silent Leges to use the doctor in a scheme on Romulus.
His final appearance is in Extreme Measures, in which Bashir and O'Brien enter the dying Sloan's mind to find the cure for the disease afflicting Odo and the Founders.