The Cable Guy (1996) was supposed to be a Jim Carrey vehicle, and it mostly was, but it's also where Leslie Mann met Judd Apatow. She'd trained at The Groundlings alongside Will Ferrell and Melissa McCarthy and taken every bit part available. The Apatow connection changed the trajectory. She became the essential woman in his R-rated comedies, from The 40-Year-Old Virgin (2005) through Knocked Up (2007, $219 million worldwide). This Is 40 (2012) made her the lead, not just the wife.
The Apatow collaborations have slowed, but the family creative enterprise hasn't. In 2025, she starred in Poetic License, directed by her daughter Maude Apatow in Maude's feature directorial debut, playing a former therapist and soon-to-be empty nester. The film premiered at the Toronto Film Festival to warm critical notices. The irony isn't subtle: she spent years playing Apatow's version of domestic life on screen, and now she's doing it again, this time on her daughter's terms.
She grew up in Newport Beach without a father (he left before she was born), raised by a single mother. She dropped out of a communications degree when The Cable Guy came along. Off-screen, she reportedly collects vintage TV character lunchboxes, which is a specific hobby for someone who built a career playing the exasperated wife in R-rated comedies. She's also a serious surfer, which is the detail that catches most people off guard.