T.J. Thyne
— Lovell Milo
Paula Rhodes
— Grace
Chris Stone
— Dr. Orson Milo
Meeghan Holaway
— Shelly
JoJo Henrickson
— Minister
Dylan Sprayberry
— Young Lovell
Elle Labadie
— Young Grace
Michelle Krusiec
— One night stand/Kevin's mother
Patricia Belcher
— Psychiatrist
Tamara Taylor
— Linda
Cody Abercrombie
— EMT #2
Giovani Adams
— Kevin's friend
Whitney Anderson
— Amy
Alessandra Benjamin
— Third Adult Child
Robbie Tucker
— Young Kevin
Dru Lockwood
— Teen Kevin