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A magician never reveals his secrets...unless it's a court order.

David Copperfield’s executive producer took the mystery out of his act during trial Tuesday when he explained one of the Vegas mainstay’s most famous routines.

Gavin Cox, a British man, sued Copperfield after he claims he was stuck with $400,000 in medical care from lasting brain and bodily injuries that occurred when he took part in one of the acts during a 2013 show at the MGM Grand Hotel.

In court, Chris Kenner, Copperfield’s executive producer, explained that the vanishing act works when stagehands are able to shuffle audience members off stage past dark curtains and through a series of passageways, into and out of the resort kitchen and back into the theater in time for their “reappearance.”

Cox’s lawyer, during opening remarks last week, said that his client slipped and fell, leaving him with chronic pain, headaches and confusion.

“They put Gavin Cox in a dangerous position, and as a result, he had an accident and was injured,” he said, according to the Las Vegas Review-Journal.

Jerry Popovich, the attorney for the MGM Grand Hotel, said that Copperfield had walked the same route just 10 minutes before Cox and found no issues.

The magician’s lawyers had filed pretrial bids to prohibit press from revealing the secrets, but a judge struck down the request.

With News Wire Services