Actors who were in a DC Extended Universe and also in the shared The Rookie (2018)/ The Rookie: Feds (2022) Universe:
- Lisseth Chavez - Celina Juarez (The Rookie (2018)). She was also in DC's Legends of Tomorrow (2016).
- Jenna Dewan - Bailey Nune (The Rookie (2018)). She was also in Supergirl (2015) and Superman & Lois (2021).
- Brandon Routh - Doug Stanton (The Rookie (2018)). He was also in Arrow (2012),DC's Legends of Tomorrow (2016) and The Flash (2014)
- Courtney Ford (Wife of Brandon Routh) - Tracy Chiles (The Rookie: Feds (2022)). She was also in DC's Legends of Tomorrow (2016).
- David Ramsey - Greg Wright (The Rookie: Feds (2022)). He was also in Arrow (2012), DC's Legends of Tomorrow (2016), and The Flash (2014)