Barinholtz, best known for his role as Morgan on The Mindy Project, recently starred in Late Night, The Oath, Blockers, Bright, and The Disaster Artist.
Happy Life follows new mom Allison Beck (Lilly) who suspects her workaholic husband, Eli (Barinholtz) of having an affair with an Instagram star (Daddario).
David Stassen (The Mindy Project) wrote the screenplay and will also direct it as his feature debut.
Deadline has brought word that the upcoming drama Happy Life starring Evangeline Lily (Avengers: Endgame) and Ike Barinholtz (Neighbors) has expanded its cast with the addition of San Andreas and Percy Jackson star Alexandra Daddario.