Eugene Levy (Johnny Rose) has an obsession about his hair and no one may touch it, because of this, his son, Dan Levy (David Rose) wrote the scene where Johnny's hair is drenched from "brown sewage water" being dripped from above.
Chris Elliott, who also starred in Scary Movie 2 (2001), had a scene where his character also stuck his hand in the food for the guest and fondled it.
Jennifer Robertson (Jocelyn) and Chris Elliott (Roland), who play wife and husband, are both children of members of a comedy duo: Double Exposure and Bob & Ray, respectively.
Both Catherine O'Hara (Moira Rose) and Tim Rozon (Mutt Schitt) have starred in projects about Wyatt Earp: Catherine O'Hara starred in the movie Wyatt Earp (1994), playing the character of Allie Earp; Tim Rozon starred in the TV show Wynonna Earp (2016), playing the character of Doc Holliday.
Tim Rozon (Mutt Schitt) and Sarah Levy (Twyla Sands) end up working together again on the TV show, SurrealEstate (2021) playing Nick Roman and Susan Ireland respectively.