I inglese ruoli principali in IF - Gli amici immaginari sono interpretati da Ryan Reynolds come Cal, John Krasinski come Dad / Marshmallow, Phoebe Waller-Bridge come Blossom e Cailey Fleming come Bea.
| Ruolo | Inglese |
|---|---|
| Unicorn |
Emily Blunt |
| Flower |
Matt Damon |
| Spaceman |
George Clooney |
| Guardian Dog |
Sam Rockwell |
| Blue |
Steve Carell |
| Janet |
Liza Colón-Zayas |
| Octopuss |
Blake Lively |
| Ice |
Bradley Cooper |
| Cal |
Ryan Reynolds |
| Dad / Marshmallow |
John Krasinski |
| Vince Vaughn |
|
| Art Teacher |
Richard Jenkins |
| Gummy Bear |
Amy Schumer |
| Blossom |
Phoebe Waller-Bridge |
| Jeremy |
Bobby Moynihan |
| Grandmother |
Fiona Shaw |
| Ghost |
Matthew Rhys |
| Slime |
Keegan-Michael Key |
| Alligator |
Maya Rudolph |
| Bubble |
Awkwafina |
| Magician Mouse |
Sebastian Maniscalco |
| Cosmo |
Christopher Meloni |
| Robot |
Jon Stewart |
| Lewis |
Louis Gossett Jr. |
| Bea's Mom |
Catharine Daddario |
| Benjamin |
Alan Kim |
| Bea |
Cailey Fleming |