| Actor | Daniel Radcliffe, Adam Driver, Rafe Spall, Adam Fergus |
| Actress | Zoe Kazan, Megan Park, Mackenzie Davis, Meghan Heffern, Oona Chaplin, Sarah Gadon, Jordan Hayes, Tamara Duarte, Rebecca Northan |
| Composer | A.C. Newman |
| Director | Michael Dowse |
| Editor | Rogier Stoffers, Yvann Thibaudeau |
| Production | Ethan Tobman |
| Writer | Elan Mastai |
| Writer (Play) | T.J. Dawe, Michael Rinaldi |
| Links | https://www.imdb.com/title/tt1486834/ |
Releases 1
| Title | Format | Region | |
|---|---|---|---|
 | What If | Blu-ray | ALL |