Grace
Mason
Jessica
Nate
Sammy
Luis (as Kevin Hernandez)
Kendra
Marcus (as Keith Stanfield)
Jack
Jayden
Nurse Beth
Mason's Dad (as Harold Cannon-Lopez)
Mason's Mom
Dr. Hendler
Shawnta
David
Anna
Thom
Connor
Tracy
Nikki
Spring
Trevor
Mariachi Band Member, Trumpet
Mariachi Band Member, Guitar
Mariachi Band Member, Guitarron
Guest at Mason's Parents' Party
Guest at Mason's Parents' Party (as Angelina Asserto)
Guest at Mason's Parents' Party (as Christophet Jun Hwang)
Guy in hospital waiting room (uncredited)