Fin Argus as Zach Sobiech

Sabrina Carpenter as Sammy

Madison Iseman as Amy

Neve Campbell as Laura Sobiech

Tom Everett Scott as Rob Sobiech

Lil Rel Howery as Mr. Weaver

Summer H. Howell as Grace Sobiech

Vivien Endicott Douglas as Alli

Dylan Everett as Sam

Jason Mraz as Jason Mraz

Tyrone Benskin as Doctor

Benjamin Roy as Eli

Aida Yirga as Tess

Luis Oliva as Hip Agent

Morgana Mogent as Janie

Mitchell Kluesner as Mitch

Emily Baldoni as CNN Reporter

Yaani King Mondschein as Local Reporter

Mylène Dinh-Robic as Oncologist

Sukhdev Benning as Producer

Emi Martinez-Zalce as Teen Girl

Frédéric Lalancette as Male Bath Attendant

Clayton Kennedy as Male Bath Attendant

Sienna Dahlen as Female Bath Attendant

Joanne Degand as Female Bath Attendant

Michelle Bensimon as Stagehand