Caitlin goes to her mother to help understand the meta-human powers growing inside her. Meanwhile Barry tries to convince Julian to allow him to help investigate a new human meta-attack on Central City.
Grant Gustin
Barry Allen / The Flash
Danielle Panabaker
Dr. Caitlin Snow / Killer Frost
Carlos Valdes
Cisco Ramon / Vibe
Keiynan Lonsdale
Wally West / Kid Flash
Tom Cavanagh
Harrison 'H.R.' Wells
Jesse L. Martin
Joe West
Tom Felton
Dr. Julian Albert
Candice Patton
Iris West
Isaiah Lehtinen
Kid
Thomas Cadrot
Nigel
Briana Rayner
Receptionist
Susan Walters
Dr. Carla Tannhauser
Patrick Sabongui
David Singh