Members of both the film and costume teams work independently with The Hanover Theatre and Conservatory for the Performing Arts, in front of which Liam Neeson and Jeffrey Donovan filmed scenes on December 4, 2018.
When Annie (Kate Walsh) is saying goodbye to Tom (Liam Neeson) at the bus terminal, the word "Grey" is on the side of the bus next to her. Walsh previously starred in Grey's Anatomy (2005) for seven years and Neeson starred in The Grey (2011).
Jai Courtney and Robert Patrick both stared in seperate Die Hard movies. Robert in Die Hard 2, and Jai in a Good Day to Die Hard.
One of the streets Liam Neeson drives down is Weston Street. Weston is the name of the character Jeffrey Donovan played on Burn Notice (2007).