Keiran Whitehead and Bella Webb reprise their roles as Dan and May from The Film From Lot 15.
The entire film is shot in the same house.
The 'case' that Joe and Johnathon push back and forth is actually the production screenplay from the set of The Film From Lot 15.
A signed photo of Lucy Rolfe (Tag, Behind the Scenes) can be seen in the background of some of the shots.
The names on Facebook are the names of real life actors who have appeared in previous Max Coultan directed films.