Discover
When Barry (Grant Gustin) and Team Flash find a way to enter The Thinker's lair, Ralph (guest star Hartley Sawyer) considers crossing a dangerous line to defeat DeVoe. Meanwhile, Joe (Jesse L. Martin) is concerned by Harry's (Tom Cavanagh) recent behavior.
Original Release
04/17/2018
US Release
04/17/2018
Cast
| Name | Character |
|---|
| Grant Gustin | The Flash / Barry Allen |
| Candice Patton | Iris West-Allen |
| Danielle Panabaker | Caitlin Snow / Killer Frost / Dr. Caitlin Snow |
| Carlos Valdes | Cisco Ramon / Vibe |
| Neil Sandilands | Clifford DeVoe |
| Tom Cavanagh | Dr. Harry Wells / Harrison 'Harry' Wells |
| Jesse L. Martin | Joe West |
| Hartley Sawyer | Ralph Dibny / Elongated Man |
| Kim Engelbrecht | The Mechanic / Marlize DeVoe |
| Miranda MacDougall | Izzy Bowin |
Directors
Writers
Andrew Kreisberg, Geoff Johns, Jonathan Butler, Gabriel Alejandro Garza, Greg Berlanti
Cast
| Name | Character |
|---|
| Grant Gustin | The Flash / Barry Allen |
| Candice Patton | Iris West-Allen |
| Danielle Panabaker | Caitlin Snow / Killer Frost / Dr. Caitlin Snow |
| Carlos Valdes | Cisco Ramon / Vibe |
| Neil Sandilands | Clifford DeVoe |
| Tom Cavanagh | Dr. Harry Wells / Harrison 'Harry' Wells |
| Jesse L. Martin | Joe West |
| Hartley Sawyer | Ralph Dibny / Elongated Man |
| Kim Engelbrecht | The Mechanic / Marlize DeVoe |
| Miranda MacDougall | Izzy Bowin |
| Arturo del Puerto | Edwin Gauss / Folded Man |
| Bethany Brown | Janet Petty |
| Leonardo Nam | Matthew Kim |
| Andrew Barber | Hippie Guy |
| Joel Wirkkunen | Bus Driver |
| Morena Baccarin | Gideon |
Producers
| Name | Role |
|---|
| Greg Berlanti | Executive Producer |
| Joseph Patrick Finn | Executive Producer |
| Todd Helbing | Executive Producer |
| Sarah Schechter | Executive Producer |
| Eric Wallace | Executive Producer |
| Jonathan Butler | Producer |
| Gabriel Alejandro Garza | Producer |
| Sam Chalsen | Producer |
| Dani Dornfeld | Producer |
| Geoff Garrett | Producer |
| Jennifer Lence | Producer |
| Judalina Neira | Producer |
| Carl Ogawa | Producer |
| Scott Sebert | Producer |
