Unhappy with how his life has turned out, middle-aged father Mike O'Donnell (Matthew Perry) wishes he could go back and do it all over again. When he attempts to save the life of a mysterious janitor (Brian Doyle-Murray), Mike gets his chance and awakes to discover that he's been transformed into his 17-year-old self (Zac Efron). After convincing his best fried Ned (Thomas Lennon) who he is, Mike sets out recapture his glory days and experience everything he missed out on. But, after becoming his children's high school classmates and visiting his estranged wife, Scarlett (Leslie Mann), Mike realizes that he already had the perfect life and must find a way to change back into an adult. Directed by Burr Steers. With Michelle Trachtenberg, Sterling Knight, Katerina Graham and Nicole Sullivan. Categories: Comedy. Year: 2009.

Leslie Mann in 17 Again
This bittersweet comedy stars Adam Sandler as George, a comedian who hires Ira (Seth Rogen), a standup comic, to write jokes for him. The two become buddies, but then George reveals a shocking secret. Ira helps him reexamine his life and the choices he has made. George looks up an old girlfriend (Leslie Mann) he never stopped loving. But she seems to be happily married to a man (Eric Bana) who is almost too perfect. Can George win her back, with Ira's help? Directed by Judd Apatow. With Jonah Hill and Jason Schwartzman. Categories: Comedy, Drama. Year: 2009.

Leslie Mann in Funny People
By the director of Spy Kids, this is a revenge fantasy about a boy who gets a bigger revenge against the bullies who torment him than he ever dreamed of. Jimmy Bennett plays Toe Thompson, a kid whose life changes when he picks up a rainbow-colored rock that is inhabited by creatures that can make his every wish come true. Soon, everything in town is a little different and Toe has to keep thinking of creative ways to use his new powers. Leslie Mann and Jon Cryer play his bewildered parents. Directed by Robert Rodriguez. With Trevor Gagnon, Zoe Webb, Jolie Vanier, Jake Short and Cambell Westmoreland. Categories: Family. Year: 2009.

Leslie Mann in Shorts
On their first day of high school, Ryan (Troy Gentile), Wade (Nate Hartley) and Emmit (David Dorfman) have a run-in with Filkins (Alex Frost) and Ronnie (Josh Peck), the school bullies. Not wanting to deal with their abuse until graduation, the three nerds take out an ad for a bodyguard. Their choice is Drillbit Taylor (Owen Wilson ), a homeless man who poses as a soldier of fortune. Drillbit initially intends to rob their houses, but after becomimg friends with the boys he turns over a new leaf. After some intense training and a few unique pearls of wisdom, Ryan, Wade and Emmit ultimately learn to fend for themselves. Directed by Steven Brill. With Leslie Mann, Lisa Lampanelli and Cedric Yarbrough. Categories: Comedy. Year: 2008.

Leslie Mann in Drillbit Taylor
Ben Stone (Seth Rogen), an out of shape slacker is living his dream: sharing a house with his friends, partying all day and having absolutely no responibilities. Alison Scott (Katherine Heigl) is a motivated career woman with a promising future in television. They seem like the unlikeliest of couples, but after a few drinks at a bar where Alison is celebrating her recent promotion, the pair have a one night stand. Their relationship would have ended there, but eight weeks later Alison discovers that she is pregnant. Now, Ben and Alison will have to decide if they can make things work for the sake of the baby, or if their differences are just too much to overcome. Directed by Judd Apatow. With Paul Rudd, Leslie Mann, Jason Segel, Jay Baruchel, Jonah Hill and Harold Ramis. Categories: Comedy, Drama, Romance. Year: 2007.

Leslie Mann in Knocked Up
Andy Stitzer (Steve Carell) has a comfortable job at an electronics superstore, a nice apartment with an amazing collection of action figures and comic books, good friends, and a pleasant personality. But there's just one little thing he hasn't quite gotten around to doing yet. And, when his buddies at the store find out, they consider it their duty to help Andy with his situation and go to great lengths to find him a woman. Directed by Judd Apatow. With Catherine Keener, Paul Rudd, Seth Rogen, Romany Malco, Elizabeth Banks and Leslie Mann. Categories: Comedy, Romance. Year: 2005.

Leslie Mann in The 40 Year Old Virgin
After receiving a large settlement following a car accident, law school graduate, Sonny Koufax (Adam Sandler) gave in to his slacker nature and settled into an easy life working in a toll booth. When child services shows up at his door one day and drops off Julian (Cole Sprouse and Dylan Sprouse), the five-year-old son of his roomate Kevin (Jon Stewart), who happens to be on a business trip to China, Sonny doesn't know what to do. Eventually, he decides that he can use Julian to win back his ex-girlfriend (Kristy Swanson), who left him because of his lack of motivation and immaturity. While Sonny and Julian initially struggle with their awkward new realtionship, ultimately Julian helps Sonny accept the responsibilities of adulthood and Sonny provides Julian with the loving father he's never had. Directed by Dennis Dugan. With Joey Lauren Adams, Leslie Mann, Allen Covert and Rob Schneider. Categories: Comedy. Year: 1999.

Leslie Mann in Big Daddy