Will Ferrell as Dr. Rick Marshall, a renowned paleontologist and author, determined to prove his theory on time warps, thus embarking on a time travel experiment. Anna Friel as Holly Cantrell, Rick's biggest fan. Danny McBride as Will Stanton, a gift shop owner who takes Holly and Rick to a tachyon rich cave. Jorma Taccone as Cha-Ka John Boylan as Enik who plans to invade and conquer Earth, and deceives Rick and the others into believing otherwise; he also controls the Sleestak. Matt Lauer as Himself Leonard Nimoy as voice of The Zarn Douglas Tait as Sleestak\n\nWho played chaka in the land of the lost? Let's have some stream of consciousness first.
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To answer this question, we should know that: Jorma Taccone as Cha-Ka So, the answer is Jorma Taccone.
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