Nathan Fillion has had good luck with ABC. He was on the soap opera One Life To Live, spent 4 seasons with Two Guys, A Girl And A Pizza Place with Ryan Reynolds and hung out with Desperate Housewives for half a season, and then eight seasons as writer turned detective on Castle. So, it's absolutely no surprise that ABC has ordered his new project, The Rookie, straight to series. EW.com says the series is based on a true story as Fillion plays John Nolan, a rookie cop in the LAPD who is twenty years older than his fellow rookies.
The series teams the actor with former Castle producer and co-showrunner Alexi Hawley and is produced by the Mark Gordon Company. The dramedy brings Fillion back to police procedurals but this time he gets the badge.
Hawley got his start on Castle, which was one of ABC's most successful procedural dramas for the entire eight season run, but the series came to an end abruptly in 2016 after it was announced that Fillion's co-star Stana Katic would not return. Instead of trying to change the dynamic of the series, it was ended. Fillion has spent the time working on the webseries Con Man and doing a guest arc on ABC's Modern Family.