The working title for this film was "Lower Bay". Lower Bay is the name of a real downtown Toronto subway station. As of 2017 the station is not open to public access, as it doubles as a location for movie and television shoots. Productions shot here include Don't Say a Word (2001), End of the Line (2007), Johnny Mnemonic (1995), Bulletproof Monk (2003), Mimic (1997), The Recruit (2003), Total Recall (2012), Suicide Squad (2016), Resident Evil: Retribution (2012), Max Payne (2008), 16 Blocks (2006), 16 Blocks (2006), Extreme Measures (1996), Gridlock (1996), The Rats (2002), and The Taking of Pelham 123 (2009).
Christopher Lloyd and Richard Gunn appeared on Granite Flats (2013).