u/Bripinoy u/Roook36 He was in Supergirl, of which Superman & Lois was originally intended as a spin-off of, with the same Superman and Lois Lane actors from that series, but it was ultimately decided to instead have it be a reboot, unconnected to Supergirl or the Arrowverse. Meaning they can recast. Some other Arrowverse actors reprise their roles in the series as different versions of the characters.