Isaac Liev Schreiber is an American actor, director, screenwriter, and producer. He became known during the late 1990s and early 2000s, having appeared in several independent films, and later mainstream Hollywood films, including the Scream trilogy of horror films, Ransom, Phantoms, The Sum of All Fears, The Omen, X-Men Origins: Wolverine, Taking Woodstock, Salt, Goon, Pawn Sacrifice, and Spotlight. He later became known through a younger generation of audiences for his work in My Little Pony: The Movie and Spider-Man: Into the Spider-Verse.
Schreiber is also a stage actor, having performed in several Broadway productions.