Captain Boomerang – on Arrow, was announced to have a series regular role in Season 2 as the villain Eclipso.
Although this marks the first time an Arrowverse character will be making an appearance on Stargirl, Shipp is not the first actor from an Arrowverse series announced to appear on the series.
Entertainment Weekly reports that John Wesley Shipp, who portrays Jay Garrick in the Arrowverse, will be speeding over to Stargirl in Episode 9 of Season 2, reprising his role as the old-school speedster.