Brian O'Conner's character evolved from minor antagonist to key figure in the Fast & Furious franchise alongside Dominic Toretto. Portrayals by Paul Walker and Vin Diesel were essential to the success of the series with Walker appearing in six installments. Brian's backstory showed him going from troubled youth to LAPD officer to vital member of Dom's "family" involved in global missions.

Brian O'Conner started as a minor antagonist in the Fast & Furious franchise, but he became Dominic Toretto's right-hand man, friend, and brother. Born in 1973, Paul Walker was 28 years old when he appeared in The Fast and the Furious in 2001, the 10th movie in his career. The portrayals by Walker and Vin Diesel in the roles of Brian and Dom, respectively, were key to the franchise's success. In total, Walker starred in six installments before the actor's death ended his character's on-screen arc.

As the movie series progressed,...