Luke & Owen Wilson were lined up to play bickering brothers Virgil and Turk, but dropped out at the last minute to do The Royal Tenenbaums instead.

The wig worn by Brad Pitt when he’s in disguise as a doctor was actually the same one used 4 years prior by Mike Myers during Austin Powers: International Man of Mystery.

Originally, the casino being brought down by explosives was the New York, New York Hotel— but Sept 11 happened 3 months before release. The producers scrambled to build a new CGI fake hotel called “The Xanadu” to destroy instead.

The final scene of everyone watching the Bellagio fountain and leaving was improvised. Steven Soderbergh wanted Rusty (Brad Pitt) to leave first and Saul (Carl Reiner) to leave last. The rest of the actors were told to depart in whatever order felt natural.

In Ocean’s Twelve, the Night Fox's mansion is on the shores of Lake Como in Italy. The name of the city overlooking Lake Como is Bellagio, the hotel the crew robbed in the first movie.

In Ocean’s Thirteen, Linus (Matt Damon) is walking through London speaking on the phone. This was shot while he was in London filming The Bourne Ultimatum.

In Ocean’s Thirteen, the line 'You shook Sinatra's hand' is mentioned several times in the movie. It’s a reference to Frank Sinatra who played Danny Ocean in the 1960 original Ocean's 11.

In the original 1960s Ocean’s 11, Sammy Davis Jr. was forced to stay at a 'colored only' hotel during the filming because Las Vegas would not allow blacks to stay at the major hotels despite his appearing with Frank Sinatra, Dean Martin, and the others at the Sands.

Ocean’s Eight’s final scene is Debbie Ocean (Sandra Bullock) wearing a black tux with the bow tie open. This is a nod to the opening scene of Ocean's Eleven when Danny (George Clooney) leaves prison in the same outfit.

There is a movie called Ocean’s 7, but it’s about Beth French, a British ultra-marathon open-sea swimmer trying to become the first person ever to conquer the world's seven toughest sea crossings in one year.