The New Orleans house was used as the house in Interview with the Vampire (1994). It also once was owned by Nicolas Cage and the foyer chandelier hangs in the house.
Despite being top billed and having credit on the posters and trailers, Sir Ben Kingsley is shown only within the first fifteen minutes.
The machines used to transfer the mind from body to body were actually modified medical CT scanners.
This is the fourth out of five body switch movies starring Ryan Reynolds. The others being Boltneck (2000), The Change-Up (2011), R.I.P.D. (2013), and Criminal (2016).