: A sporting goods store owner who is desperate for love but prone to poor decision-making.
: Eddie Cantrow (Ben Stiller), a 40-year-old bachelor, feels pressured by his father and best friend to settle down. He meets Lila (Malin Åkerman) and, believing she is perfect, proposes after just six weeks of dating.
: The "nightmare" wife whose true colors—including a voracious sexual appetite and constant singing—drive Eddie away.
: During their honeymoon in Cabo San Lucas, Mexico, Lila’s true, eccentric, and abrasive personality emerges. She reveals she is actually unemployed, has a history of debt, and exhibits bizarre, irritating habits.