Brendan Fraser as Charlie

Sadie Sink as Ellie

Ty Simpkins as Thomas

Hong Chau as Liz

Samantha Morton as Mary

Sathya Sridharan as Dan the Pizza Man

Jacey Sink as Young Ellie

Allison Altman as Young Mary (uncredited)

Lance Oppenheim as Julian (uncredited)

Grace Perkins as Maddie (uncredited)

Wilhelm Schalaudek as Liam (uncredited)