Madison Iseman as Rain Burroughs

Israel Broussard as Caleb

Katherine Heigl as Michelle Burroughs

Harry Connick Jr. as John Burroughs

Eugenie Bondurant as Dani McConnell

Julia Vasi as Alexa

Enuka Okuma as Dr. Elyn Pangloss

Hudson Rodgers as Malia

Lyla Restaino as Young Rain

Ashley Abrams as Sylvie

Jannette Sepwa as Nurse Rosa

Bianca D'Ambrosio as Cinda

Brian Yang as Dr. Yang

Lindsay Lamb as Cam

Mackenzie Bonefont as Officer 1

Todd Goble as Vice Principal

Chiara D'Ambrosio as Linda

Jake Hagan as Student Council Candidate

Madison Rosa as Pretty Girl

Keil Oakley Zepernick as The Man with Yellow Eyes

Isabella Abiera as Voices in Rain's Head (voice)

Elvia Hill as Medical Student