When Hartley (Dwayne Johnson) arrives at Sotto Voce's masquerade party, he hands security an invitation with a QR code on it. If you pause the scene and scan the code, it brings you to an unlisted video with the movie's bloopers.
The part of the bunk bed scene where Dwayne Johnson pretends to sleep was improvised. Ryan Reynolds's reaction to this and Dwayne's corpsing was spontaneous, genuine and kept in the final cut.
In preparation for filming the Porsche chase scene, Dwayne Johnson got stuck trying to get into the car, due to his massive frame. Shots were changed and combined in editing, to make Dwayne's entrance and exit from the Porsche appear seamless.
Both Ryan Reynolds and Dwayne Johnson drink their own brands of liquor as their characters. In separate scenes, Johnson drinks Teremana Tequila whilst Reynolds drinks Aviation American Gin.
Dwayne Johnson's father Rocky passed away during the first day of filming. Production was paused while Dwayne took time off to be with his family and attend the funeral.