Written and directed by Harold Ramis, Year One is about two Neanderthals who have been banished from their village. As they travel together, they run into several biblical characters, including Cain, Abel, Abraham and Isaac.CNN: Year One] polishes forbidden fruit in comedic poke at the Bible] (June 18, 2009)

• Jack Black as Zed
• Michael Cera as Oh
• Olivia Wilde as Princess Inanna
• David Cross as Cain
• Christopher Mitz-Plasse as Isaac
• Oliver Platt as High Priest
• June Diane Raphael as Maya
• Hank Azaria as Abraham
• Paul Rudd as Abel
• Harold Ramis as Adam
• Vinnie Jones
• Juno Temple as Eema
• Gabriel Sunday as Seth
• Marshall Manesh as Slave Trader
• Xander Berkeley as King
• Gia Carides as The Queen

• "Year One falls flat from its genesis to its outtake-filled credits scene, never moving beyond obvious set-ups or jokes that have been as beaten to death as Abel. The one person who’ll be happy after walking out may be Will Ferrell, since Land of the Lost is no longer the only turkey around."—NY Daily NewsNY Daily News: Year One Review (June 18, 2009)
• "Making a solid summer comedy starring Jack Black, Michael Cera, David Cross and Hank Azaria should be so easy, a caveman could do it. Somehow, despite the presence of those reliable actors and the highly advanced skills of comic veterans Harold Ramis and Judd Apatow behind the scenes, Year One manages to be a dud."—NJ Star LedgerStar Ledger: Review: Year One not the most evolved comedy (June 18, 2009)