Meanwhile, Joe must deal with a determined officer named Patty Spivot who wants to join his meta-human task force. Barry and the team must decide if they can trust this stranger even as they face yet another powerful meta-human. Labs with a dire warning about an evil speedster named Zoom, who is set on destroying The Flash. Jay Garrick, a mysterious man from Earth-2, appears at S.T.A.R. Meanwhile, Cisco helps Joe with his Meta Task Force. When a meta-human named Atom Smasher attacks the city, Iris tells Barry that he needs to let his friends help him protect the citizens of Central City. Concerned about putting his friends in danger, Barry has pushed everyone away and has chosen to protect the city on his own. Picking up six months after the Singularity attacked Central City, Barry is still struggling to forgive himself for Eddie's death.

Morena Baccarin as Gideon (voice uncredited).

Ciara Renée as Kendra Saunders/Hawkgirl.

Malese Jow as Linda Park and Linda Park/Dr.

Shantel VanSanten as Officer/Detective Patty Spivot.

Victor Garber as Professor Martin Stein/ Firestorm.

Patrick Sabongui as Captain David Singh and Singh.

Michelle Harrison as Barry Allen's mother (voice), Nora Allen, and the Speed Force.

Henry Allen, The Flash (archive footage), the Speed Force, and Dr.

Teddy Sears as Hunter Zolomon/The Flash/Zoom and Hunter Zolomon.

Wentworth Miller as Leonard Snart/Captain Cold.

Martin as Detective Joe West, Joseph West, and the Speed Force Harrison 'Harry' Wells and Professor Eobard Thawne

Carlos Valdes as Cisco Ramon/Vibe and Francisco Ramon/Reverb.

Caitlin Snow and Caitlin Snow/Killer Frost

Candice Patton as Iris West, Detective Iris West-Allen, and the Speed Force.

Grant Gustin as Barry Allen/The Flash and Dr.

Armed with the heart of a hero and the ability to move at super speeds, Barry charged into the eye of the singularity, but will he actually be able to save his city from impending doom? Synopsis Following the defeat of Barry Allen's arch-nemesis Eobard Thawne (aka Reverse Flash), Team Flash quickly turned their attention to the singularity swirling high above Central City, which fans last saw consuming everything in its path.

The flash season 3 episode 19 promo