Guest Stars Marli Siu as Nell Aliyah Odoffin as Amara Jill Halfpenny as Roisin Daisy Jacob as Teenage Maggie Jeanie Hackman as Jade Izabella Cresci as Teenage Birdy Sophie Thompson as Liz Isabel Mackinson as Young Maggie Emma Franklin as Young Birdy Cameron Cuffe as Patrick Mike Sheer as Mark Umit Ulgen as Bodega Manager Jeremy Berges as Jean Chloe McClay as Helen Gregg Lopez as NY Subway Man