Emergence (television) Hour-long drama series on ABC, premiering September 24, 2019. Jo, a police chief, takes in a young child she finds near the site of a mysterious accident who has no memory of what has happened. The investigation draws her into a conspiracy larger than she ever imagined, and the child’s identity is at the center of it all. Stars Allison Tolman (Jo Evans), Alexa Swinton (Piper), Owain Yeoman (Benny Gallagher), Ashley Aufderheide (Mia Evans), Robert Bailey Jr. (Officer Chris Minetto), Zabryna Guevara (Abby Frasier). From ABC Studios.