- Hugh Jackman George Hardy
- Emma Thompson Lydia Harbottle
- Regina Hall Cloud
- Bryan Cranston Sebastian
- Julia Louis-Dreyfus Lily
- Nicholas Galitzine Elliot Matthews
- Molly Gordon Rebecca Hampstead
- Patrick Stewart Sir Ritchfield
- Rhys Darby (voz)
- Nicholas Braun Tim Derry
- Chris O'Dowd Mopple
- Hong Chau Beth Pennock
- Conleth Hill
- George Harris Charlie Roberts
- Tosin Cole
- Bella Ramsey Zora (voz)
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