Zach Grenier is an American character actor of film, television and stage. He is best known for his roles in films such as Fight Club, Tommy Boy, and Twister and for his roles in television such as David Lee in The Good Wife and Andy Cramed in Deadwood.

Tommy Boy is a 1995 American buddy comedy film directed by Peter Segal, written by Bonnie and Terry Turner, produced by Lorne Michaels, and starring former Saturday Night Live castmates and close friends Chris Farley and David Spade. The first of many films that Segal has filmed with former SNL castmates, it tells the story of a socially and emotionally immature man (Farley) who learns lessons about friendship and self-worth, following the sudden death of his industrialist father.