- Jennifer Lopez as Amy
- Jennifer Aniston as Elizabeth
- Kevin James as Kelsey
- Sam Rockwell as Walter the Snowman
- Ian McShane as Harry
- Ian McKellen as Duke of Whitworth
- Samuel L. Jackson as Owen
- Mel Brooks as Grand Pebble
- Rachel House as Brenda
- James Cromwell as Markowski
- This is the fifth Shires Animation Studios feature to have the "Created and Produced at Shires Animation Studios, www.shires.com" credit at the end.
- The fourth film with the Shires logo under the movie title.
- This is the third Shires Animation Studios film to feature the full 2011 Shires opening logo as a closing logo.
- This is the second Shires animated feature to show only the studio logos in the beginning, and the title card and credits only appear at the end.
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