In the movies he was portrayed by French actor Arben Bajraktaraj.
He fought in the First Wizarding War, during which he tortured many Muggles, and wizards and witches who were not supporters of Voldemort. Along with four other Death Eaters, he participated in the murders of Fabian and Gideon Prewett. Dolohov was caught and convicted of these crimes, and sentenced to life imprisonment in Azkaban.
He escaped after Voldemort's return and the start of the Second Wizarding War, in the mass break-out of 1996, and participated in the Battle of the Department of Mysteries, where he was re-captured and incarcerated. By the summer of 1997, Dolohov was at large again. He and Thorfinn Rowle attacked Harry Potter, Hermione Granger, and Ron Weasley at Tottenham Court Road, but they were defeated and his memory was wiped.
In 1998, Dolohov fought in the Battle of Hogwarts, during which he killed Remus Lupin. At the climax of the battle, he engaged Filius Flitwick in a duel, and was defeated.
- Dolohov has no speaking lines in the films, even though he speaks in the books.