Warlock (1989 film)

Warlock is a 1989 American cult horror film produced and directed by Steve Miner and starring Julian Sands, Lori Singer, and Richard E. Grant. It was written by David Twohy. The soundtrack was by Jerry Goldsmith.
Plot
The Warlock (Sands) is taken captive in Boston, Massachusetts in 1691 by the witch-hunter Giles Redferne (Grant). He is sentenced to death for his activities, including the bewitching of Redferne's bride-to-be, but before the execution Satan appears and propels the Warlock forward in time to 20th century Los Angeles, California. Redferne follows through the portal.
The Warlock attempts to assemble The Grand Grimoire, a Satanic book that will reveal the "true" name of God. Redferne and The Warlock, then embark on a cat-and-mouse chase with the Grand Grimoire, and Kassandra, a 1980's female sidekick, they meet.
Cast

Julian Sands as Warlock
Lori Singer as Kassandra
Richard E. Grant as Giles
...