Emma Thompson (P.L. Travers), Tom Hanks (Walt Disney), Paul Giamatti (Ralph), Jason Schwartzman (Richard Sherman), Colin Farrell (Travers Goff), Bradley Whitford (Don DaGradi), Annie Rose Buckley (Ginty), Ruth Wilson (Margaret Goff), B.J. Novak (Robert Sherman), Lily Bigham (Biddy), Kathy Baker (Tommie), Rachel Griffiths (Tante Ellie), Michelle Arthur (Polly), Melanie Paxson (Dolly), Dendrie Taylor (Lillian Disney), Jerry Hauck (Premier Emcee), Demetrius Grosse (Barkeeper), Andy McPhee (Mr. Belhatchett), Ronan Vibert (Diarmuid Russell), Mia Serafino (junge Frau), Luke Baines (Kellner), Kimberly D'Armond (Katie Nanna), Fuschia Sumner (Flugbegleiterin), David Ross Paterson (Doktor), Bob Rusch (Türsteher), Laura Waddell (Frau mit Kind), Claire Bocking (Nanny Claire), Paul Tassone (Mann im Erfrischungszelt), Steven Cabral (Bankangestellter)