Peter Rabbit is a 2018 live-action / computer-animated comedy film directed by Will Gluck and written by Rob Lieber and Gluck, based on the stories of Peter Rabbit created by Beatrix Potter. The film stars the voice of James Corden as the title character, with Rose Byrne, Domhnall Gleeson, Sam Neill, Daisy Ridley, Elizabeth Debicki, and Margot Robbie also starring. The film was released on February 9, 2018, received mixed reviews from critics and has grossed over $341 million worldwide, making it the tenth highest-grossing film of 2018. A sequel is set for a February 7, 2020 release.

Answer this question: who does the voice of peter in peter rabbit? Let's think fast. Stream of consciousness:
The important part for answering this question is: The film stars the voice of James Corden as the title character, with Rose Byrne, Domhnall Gleeson, Sam Neill, Daisy Ridley, Elizabeth Debicki, and Margot Robbie also starring. So the final answer is James Corden.