Young musician Zach Sobiech discovers his cancer has spread, leaving him just a few months to live. With limited time, he follows his dream and makes an album, unaware that it will soon be a viral music phenomenon.
- Zach Sobiech: Steffan Argus
- Sammy: Sabrina Carpenter
- Amy: Madison Iseman
- Laura Sobiech: Neve Campbell
- Rob Sobiech: Tom Everett Scott
- Mr. Weaver: Lil Rel Howery
- Grace Sobiech: Summer H. Howell
- Alli: Vivien Endicott Douglas
- Sam: Dylan Everett
- Jason Mraz: Jason Mraz
- Doctor: Tyrone Benskin
- Eli: Benjamin Roy
- Tess: Aida Yirga
- Hip Agent: Luis Oliva
- Janie: Morgana Mogent
- Mitch: Mitchell Kluesner
- CNN Reporter: Emily Baldoni
- Local Reporter: Yaani King Mondschein
- Oncologist: Mylène Dinh-Robic
- Producer: Sukhdev Benning
- Teen Girl: Emilia Martinez
- Male Bath Attendant: Frédéric Lalancette
- Male Bath Attendant: Clayton Kennedy
- Female Bath Attendant: Sienna Dahlen
- Female Bath Attendant: Joanne Degand
- Stagehand: Michelle Bensimon
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- Music: Brian Tyler
- Production Design: Michele Laliberte
- Producer: Andrew Lazar
- Story: Casey La Scala
- Producer: Justin Baldoni
- Sound Mixer: Simon Poudrette
- Stunt Coordinator: Patrick Kerton
- Casting: Rich Delia
- Director of Photography: Ben Kutchins
- Costume Design: Simonetta Mariano
- Art Direction: Philippe Lord
- Art Direction: Vincent Gingras-Liberali
- Art Direction: Mathieu Giguère
- Story: Kara Holden
- Unit Production Manager: Wendy Williams
- Set Decoration: José Varela
- Production Manager: Alain Gagnon
- Set Designer: Guy Pigeon
- Set Designer: Céline Lampron
- Editor: Brett M. Reed
- Executive Producer: Cate Adams
- Stunts: Tyler Hall
- Costume Design: Rachel Sage Kunin
- First Assistant Director: Bethan Mowat
- Co-Producer: Benjamin Simpson
- Book: Laura Sobiech
- Set Decoration: Eve Boulonne
- Story: Patrick Kopka
- Associate Producer: Sam Baldoni
- Executive Producer: Steve Sarowitz
- Music Supervisor: Jordan Carroll
- Co-Producer: Ahmed Musiol
Credits: TheMovieDb.