On what would have been her husband's 50th birthday, Jen clashes with her disapproving mother-in-law over the ideal way to mark the occasion.
- Christina Applegate as Jen Harding
- Linda Cardellini as Judy Hale
- James Marsden as Steve Wood
- Max Jenkins as Christopher Doyle
- Sam McCarthy as Charlie Harding
- Luke Roessler as Henry Harding