Revealing mistake: When Danny Ocean and the rest of the gang break into the funeral parlour, to hide the money in the coffin, wires can be seen lifting the body out of and back into the coffin.
Revealing mistake: When the prison van drives through the tunnel, then stops and reverses so the crooks can set up the road works, it's supposed to be driven by Wilfrid Hyde White. But it's obviously being driven by someone else, as the driver looks nothing like him.