After being teased earlier in The Boy season 5, the latest episode finally brought back some of the Gen V stars for a cameo. Marie Moreau and Jordan Li appeared in episode 7 to give some updates to Starlight and Mother's Milk. However, it's fair to say that their cameo was pretty brief.
The pair appear to give an update about what Oh Father has been up to at Vought Studios before Annie dismisses them, telling them to run and hide. The Supe tells them she doesn't need their help anymore as Marie can't control her powers – and it seems like that's likely the last they'll feature in the final season.
