10 actors who later dated after playing siblings on screen

Christopher Knight and Eve Plumb played Peter and Jan Brady on The Brady Bunch before briefly exploring a relationship off-screen. Plumb later explained that their attempt at dating never fully worked because they already felt too much like siblings after years on the show. Knight later admitted that the two shared a close connection during that period of their lives. Despite the brief romance, both actors ultimately remained longtime friends connected through the sitcom’s lasting legacy.

Before becoming famous through Friends, Jennifer Aniston appeared on the sitcom Ferris Bueller as Jeannie Bueller. Charlie Schlatter played her on-screen brother, and the two reportedly dated briefly during the series. Their relationship remained relatively short-lived, but it became one of Aniston’s earliest known Hollywood romances. The pairing later gained renewed attention after her rise to international fame.

Drew Barrymore and David Arquette portrayed siblings in the romantic comedy Never Been Kissed. Over the years, the actors were occasionally linked romantically during their early Hollywood careers. Arquette later spoke warmly about Barrymore in interviews, describing her as one of Hollywood’s kindest personalities. Their connection later became part of broader conversations surrounding celebrity co-stars and off-screen relationships.

Lily Collins and Jamie Campbell Bower developed a relationship while filming The Mortal Instruments: City of Bones. Their characters eventually learned they were believed to be siblings during the story, which added an unusual twist to the film’s romantic plotline. The actors dated on and off for several years after the movie’s release. Their public appearances and social media posts often attracted attention from fans following the franchise.

Chris Pratt and Emily VanCamp worked together on the television drama Everwood during the early stages of their careers. The actors later dated for several years while appearing on the series together. Pratt later admitted that some viewers found the situation unusual due to the sibling storyline. Over time, however, the stars became one of the more recognized off-screen relationships connected to the series.

After her relationship with Chris Pratt, Emily VanCamp later became linked to another co-star connected to an unusual on-screen family storyline. Her relationship with Brothers & Sisters actor Dave Annable attracted attention because of the contrast between their fictional roles and off-screen connection. Their relationship later became one of the show’s most discussed behind-the-scenes stories.

Blake Lively and Penn Badgley became one of television’s most talked-about young couples during the height of Gossip Girl. Their characters dated on the show before later discovering they were technically step-siblings through their parents’ relationship. Off-screen, Lively and Badgley dated for several years while the show remained hugely popular. Their real-life relationship often became closely associated with their on-screen relationship in the eyes of fans and media outlets.

Michael C. Hall and Jennifer Carpenter played adoptive siblings Dexter and Debra Morgan on Dexter. During the show’s run, the actors began dating, later married, and eventually divorced while continuing to work together on the series. Even after their separation, both actors spoke respectfully about each other publicly. Carpenter later described Hall as someone who would always remain an important part of her life.

Lauren Graham and Peter Krause portrayed siblings Sarah and Adam Braverman on the family drama Parenthood. Although they had known each other for years previously, their romantic relationship began while working together on the series. The couple remained together for many years after meeting on the series and were often viewed as one of television’s more stable long-term relationships.

Matthew Broderick and Jennifer Grey played brother and sister Ferris and Jeanie Bueller in Ferris Bueller’s Day Off. Away from the film, the actors secretly dated during the late 1980s while both careers were rapidly growing in Hollywood. Their relationship later faced enormous tragedy following a serious car accident during a trip to Ireland in 1987. The accident later became one of the most widely discussed moments connected to both actors during that stage of their careers.