Simon John Pegg is an English actor, comedian, screenwriter, and film producer. He is best known for having co-written and starred in the films Shaun of the Dead, Hot Fuzz, and The World's End, and the comedy series Spaced. He is also best known for playing Benji Dunn in the Mission Impossible film series, Scotty in the Star Trek movies since 2009 and Graeme Willy in Paul and Buck from the Ice Age film series.

He voiced several characters in Phineas and Ferb including Paul the Delivery Guy for the British airing of "Delivery of Destiny" (American audiences heard Christian Slater), Pierre in "Imperfect Storm", the classic character of C-3PO as well as Candace's commanding officer in "Phineas and Ferb: Star Wars" and Shaun from the film Shaun of the Dead, in which he reprised his role in the episode, "Night of the Living Pharmacists". He also voiced Pitch Kickham in the Randy Cunningham: 9th Grade Ninja episode "The McHugger Games", and voiced Dengar in the animated series Star Wars: The Clone Wars and the Bespn DLC to the Video Game; Star Wars: Battlefront. He also portrayed Unkar Plutt in Star Wars: The Force Awakens.