- Dennis Quaid Frank Beardsley
- Rene Russo Helen North
- Rip Torn Comandante Sherman
- Linda Hunt Sra. Munion
- Jerry O'Connell Max
- David Koechner Darrell
- Tyler Patrick Jones Michael Beardsley
- Danielle Panabaker Phoebe North
- Miranda Cosgrove Joni North
- Josh Henderson Nick De Pietro
- Sean Faris William Beardsley
- Drake Bell Dylan North