Born as Christophe Guy Denius Lambert on March 29, 1957 in Great Neck, New York. He grew up in Geneva Switzerland. Lambert made his international debut in Greystoke: The Legend of Tarzan Lord of the Apes in 1984. He also appeared in Proles et musique along side Catherine Deneuve. 1985 Lambert was the lead in Subway. His most well-known role was in Highlander in 1986. He appeared in all three sequels.
In 1987 He starred in The Sicilian and To Kill a Priest. He also starred in thriller and science fiction films: Knight Moves, Fortress in 1993, Gunmen in 1994 and Mean Guns in 1997. During the 1990s Lambert also appeared in the French film, Max et Jeremie (1992).
Lambert also produces films and produced Genial, mes parents divorcent in 1990. He was the lead in White Material in 2009. He was in Ghost Rider: Spirit of Vengeance in 2012 where he trained for three months in the art of sword fighting. He has also been in six episodes of NCIS: Los Angeles.
Lambert and Diane Lane were married from October 1998 to 1994. They have one daughter. Jaiymse Haft was his second wife and they married in 1999. Lambert is currently married to Sophie Marceau. Lambert is severely myopic and cannot see without glasses. He cannot wear contact lenses and often acts without knowing what he is doing.