- Source of Wealth: Film and Television
- Age: 52
- Birth Place: San Francisco, California, USA
- Height: 1.91 m (6′ 3″)
- Weight: 94 kg (207 lbs)
- Marital Status: Separated (Naomi Watts)
- Full Name: Isaac Liev Schreiber
- Nationality: American
- Date of Birth: October 4, 1967
- Ethnicity: German, Swiss-German, Danish, Dutch, English, French, Norwegian, Belgian/Flemish, Scottish, and Welsh and Ashkenazi Jewish
- Occupation: Actor, Director, Producer and Screenwriter
- Education: Hampshire College in Amherst, Massachusetts, University of Massachusetts Amherst and Yale School of Drama in 1992, where he starred in Charles Evered’s The Size of the World, directed by Walton Jones. At Yale, Liev studied with Earle R. Gister.[20] He also attended the Royal Academy of Dramatic Art in London
- Children: 2 (Samuel Kai and Sasha)
Isaac Liev Schreiber has an estimated net worth of $16 million. He is an actor who has been featured in both movies and stage performances. He has starred alongside Hollywood household names such as Hugh Jackman in the box office heavy hitter known as the 2009 X-Men Origins: Wolverine where he starred as antagonist Saber-tooth. He also has starred alongside Ben Affleck in the movies Phantoms and The Sum of All Fears films. Liev Schreiber made his mark when he started off his acting career by doing mostly independent films such as the Scream trilogy of films where he starred as the accused murder Cotton Weary. It is the fame he garnered from these independent project that helped open up doors to bigger budget films.
Due to his somewhat towering 6 ft 3 inch figure, he is often typecast as a tough guy with a short temper or a sinister upper-class figure. Alongside his movie career, he is also an established stage performer having performed in various Hamlet and Shakespeare plays.