Simon Pegg is a British actor, comedian, and writer, best known for his roles in popular films and television series. He gained fame for his work in the comedy series Spaced, which he co-wrote and starred in. Pegg is also recognized for his performances in the Cornetto Trilogy, which includes the films Shaun of the Dead, Hot Fuzz, and The World's End. In addition to his comedic roles, Pegg has appeared in major franchises such as Star Trek and Mission: Impossible. He often collaborates with director Edgar Wright and fellow actor Nick Frost, contributing to his reputation as a versatile performer in both comedy and action genres.