Which actor played Joel Barish in the film "Eternal Sunshine of the Spotless Mind"?

Eternal Sunshine of the Spotless Mind is a 2004 American romantic science-fiction comedy-drama film written by Charlie Kaufman and directed by Michel Gondry. It follows an estranged couple who have erased each other from their memories, then re-met and started dating again. Pierre Bismuth created the story with Kaufman and Gondry. The ensemble cast includes Jim Carrey, Kate Winslet, Kirsten Dunst, Mark Ruffalo, Elijah Wood, and Tom Wilkinson. The title of the film is a quotation from the 1717 poem Eloisa to Abelard by Alexander Pope.

The story is about shy, soft-spoken Joel Barish (Jim Carrey) and unrestrained free-spirit Clementine Kruczynski (Kate Winslet) who meet on a Long Island Rail Road train from Montauk to Rockville Centre. Both had felt the need to travel to Montauk that day, and they almost immediately connect, feeling drawn to each other despite their contrasting personalities. Although Joel and Clementine do not realize it, they are former lovers, now separated after having dated for two years.