Shot in only 19 days resulting in nearly 70 hours of footage.
Directorial debut of Molly Gordon and Nick Lieberman.
All the dialogue in the film is improvised.
Ben Platt and Noah Galvin are a real-life couple. They have also both played the title role in Dear Evan Hansen.
Amos (Ben Platt) asks one of the children in "Joan, Still" if "Julianne Moore really had dementia?" This refers to Moore's role in the similarly titled Still Alice (2014). Moore also played Platt's mother in the film Dear Evan Hansen (2021).