Adam Brooks and Uma Thurman have been friends since she was 17. They met in New York. When his project "Imposters" got the green light, she held a dinner party for him to celebrate his new show. That night he asked her if she would be willing to play a role in it. Her character, Lenny Cohen, was written specifically for her.
The house that Maddie's parents live in was previously used in The Killing (2011) as Sarah Linden's home.
Episode names are said by the characters. Star Inbar Lavi also appears in Lucifer (2016), another series where episode names are spoken within the show by the characters.
In the season 2 premiere the bus station that our trio are in at the beginning is the old Toronto Coach Terminal which closed in 2021.