 | Blake Lively als Lily Bloom |
 | Justin Baldoni als Ryle Kincaid |
 | Brandon Sklenar als Atlas Corrigan |
 | Jenny Slate als Allysa |
 | Hasan Minhaj als Marshall |
 | Isabel Ferrer als Young Lily Bloom |
 | Alex Neustaedter als Young Atlas Corrigan |
 | Amy Morton als Jenny |
| Justin Baldoni | Director |
| Colleen Hoover | Novel |
| Christy Hall | Screenplay |
| Alex Saks | Producer |
| Jamey Heath | Producer |
| Blake Lively | Executive Producer |
| Colleen Hoover | Executive Producer |
| Steve Sarowitz | Executive Producer |
| Christy Hall | Producer |
| Justin Baldoni | Writer |
| Robb Sullivan | Editor |
| Kristy Carlson | Casting |
