Doctor Lancaster
Background
Thomas Lancaster is a doctor in Sleepy Hollow, New York. He is married to Doctor Lancaster's Wife. Doctor Lancaster is having an affair with Sarah.
During the events of Sleepy Hollow (1999) played by Ian McDiarmid
Baltus Van Tassel walks into the main room with Lady Van Tassel and Ichabod Crane presents his credentials to Baltus. After Crane is given a room in Baltus' home, Baltus stares at Philipse who then turns to look at Doctor Lancaster and Doctor Lancaster's Wife. Crane is introduced by Baltus to Doctor Lancaster, Reverend Steenwyck, Philipse, and Notary Hardenbrook. Crane goes over the list of the dead, including Peter Van Garrett, Dirk Van Garrett and Widow Winship and Steenwyck tells him the heads of the deceased were never found. Hardenbrook tells Crane their heads were taken by the Headless Horseman and Baltus relays the background of the Hessian Horseman. Steenwyck tells Crane the only thing he should read is the Bible and when Crane opens it, he finds a Van Tassel family tree inside. A horsemen shouts that the Headless Horsemen has killed again and at the site of the body, Baltus tells Theodore to get a cart to carry away the body while Doctor Lancaster, Steenwyck, Philipse, Brom Van Brunt, Glenn, Rifleman and Van Ripper stand nearby. Crane and Killian arrive and Crane uses scientific techniques to figure out how the Horseman killed Jonathan Masbath. In the evening, Crane catches Steenwyck, Doctor Lancaster, Hardenbrook and Philipse arguing. After he is attacked by the Horseman, Crane wakes up to Doctor Lancaster looking over his wound and Baltus looking over him. Katrina Van Tassel prepares a potion for Crane and he tells them the Horseman's victims are not random, but chosen. Before a meeting at the church, Baltus runs to the church and tells Katrina, the Horseman killed Lady Van Tassel. The Horseman circles the church but cannot enter. Theodore and others shoot at the Horseman, but to no effect. As Doctor Lancaster begins to admit to Baltus, he and the others betrayed him, Steenwyck hits him in the forehead with a cross, killing him.