Trivia

It was filmed in 26 days.

Writer/director Rob Burnett said, "Once you get Paul Rudd, you've got a movie."

The vehicle that Ben is provided to transport Trevor in is a Mobility Ventures MV-1. "It is the first and only vehicle designed from the ground up for wheelchair accessibility. It meets or exceeds all ADA guidelines for vehicles straight off the assembly line."

The book's title is "The Revised Fundamentals of Caregiving". They made it shorter for the film adaptation.

Timothée Chalamet auditioned for the lead role but did not get the part.