| Emma Thompson | P.L. Travers | |
| Annie Rose Buckley | Ginty | |
| Ruth Wilson | Margaret Goff | |
| Bradley Whitford | Don DaGradi | |
| Jason Schwartzman | Richard Sherman | |
| Kathy Baker | Tommie |
| Tom Hanks | Walt Disney | |
| Colin Farrell | Travers Goff | |
| Paul Giamatti | Ralph | |
| B.J. Novak | Robert Sherman | |
| Lily Bigham | Biddy | |
| Melanie Paxson | Dolly |