Cast

Here is some brief info about the main cast of the movie.

Jim Carrey (Joel Barish)
Birth: January 17, 1962 in Newmarket, Ontario, Canada
Other Roles: Ace Ventura (Ace Ventura Series); Stanley Ipkiss (The Mask); Lloyd Christmas (Dumb & Dumber); The Riddler (Batman Forever); Truman Burbank (The Truman Show); Andy Kaufman (Man on the Moon); The Grinch (How the Grinch Stole Christmas); Bruce Nolan (Bruce Almighty); Count Olaf (Lemony Snicket's A Series of Unfortunate Events)
[ IMDb page ]

Kate Winslet (Clementine Kruczynski)
Birth: October 5, 1975 in Reading, England
Other Roles: Juliet Hulme (Heavenly Creatures); Marianne Dashwood (Sense and Sensibility); Sue Bridehead (Jude); Ophelia (Hamlet); Rose DeWitt Bukater (Titanic); Madeleine LeClerc (Quills); Iris Murdoch (Iris); Bitsey Bloom (The Life of David Gale); Sylvia Llewelyn Davies (Finding Neverland); Sarah Pierce (Little Children); Iris (The Holiday)
[ IMDb page ]

Kirsten Dunst (Mary)
Birth: April 30, 1982 in Point Pleasant, New Jersey, USA
Other Roles: Claudia (Interview With the Vampire); Lux Lisbon (The Virgin Suicides); Amber Atkins (Drop Dead Gorgeous); Betsy Jobs (Dick); Torrance Shipman (Bring It On); Nicole Oakley (Crazy/Beautiful); Mary Jane Watson (Spider-Man Series); Betty Warren (Mona Lisa Smile); Lizzie Bradbury (Wimbledon); Marie Antoinette (Marie Antoinette)
[ IMDb page ]

Mark Ruffalo (Stan)
Birth: November 22, 1967 in Kenosha, Wisconsin, USA
Other Roles: Alf Bowden (Ride With the Devil); Terry Prescott (You Can Count on Me); Zane Marinelli (The Beat (TV)); Yates (The Last Castle); Lee (My Life Without Me); Jack Linden (We Don't Live Here Anymore); Matt Flamhaff (13 Going on 30); Fanning (Collateral); David Abbott (Just Like Heaven); Jeff Daly (Rumor Has It ...)
[ IMDb page ]

Elijah Wood (Patrick)
Birth: January 28, 1981 in Cedar Rapids, Iowa, USA
Other Roles: Mike (Radio Flyer); Mark Evans (The Good Son); North (North); Stu Simmons (The War); Sandy (Flipper); Mikey Carver (The Ice Storm); Leo Beiderman (Deep Impact); Casey Connor (The Faculty); Frodo Baggins (The Lord of the Rings Series); Kevin (Sin City); Jonathan Safran Foer (Everything is Illuminated); William (Bobby); Mumble (Happy Feet)
[ IMDb page ]

Tom Wilkinson (Dr. Howard Mierzwiak)
Birth: December 12, 1948 in Leeds, England
Other Roles: Mr. Dashwood (Sense and Sensibility); Gerald (The Full Monty); Thomas Griffin/Juntao (Rush Hour); Hugh Fennyman (Shakespeare in Love); Orton Brown (Ride With the Devil); Matt Fowler (In the Bedroom); Dr. Chasuble (The Importance of Being Earnest); Roy 'Ruth' Applewood (Normal); Pieter Van Ruijven (Girl With a Pearl Earring)
[ IMDb page ]