The Rookie Season 4, Episode 17 Coding Crime Drama IMDB 8.436 Country United States Duration 43 min Air Date 2022-04-03 Actors Nathan Fillion (John Nolan) Melissa O'Neil (Lucy Chen) Eric Winter (Tim Bradford) Alyssa Diaz (Angela Lopez) Mekia Cox (Nyla Harper) Richard T. Jones (Wade Grey) Shawn Ashmore (Wesley Evers) Jenna Dewan (Bailey Nune) Tru Valentino (Aaron Thorsen) Overview Officer John Nolan and the team feel they must negotiate with a distraught man who is holding a hospital hostage to ensure his wife receives a lifesaving surgery.