Discover
With Oliver (Stephen Amell) and Barry (guest star Grant Gustin) still stuck in the other’s bodies, the two get a lead on John Deegan (guest star Jeremy Davies) and head to Gotham City with Supergirl (guest star Melissa Benoist) to figure out why their reality has changed.
Original Release
12/10/2018
US Release
12/10/2018
Cast
| Name | Character |
|---|
| Stephen Amell | Oliver Queen / Elseworlds Flash / Green Arrow |
| David Ramsey | John Diggle / Spartan |
| Emily Bett Rickards | Felicity Smoak |
| Echo Kellum | Curtis Holt |
| Juliana Harkavy | Dinah Drake |
| Colton Haynes | Roy Harper / Arsenal |
| Kirk Acevedo | Ricardo Diaz |
| Katie Cassidy | Laurel Lance |
| Grant Gustin | Barry Allen / Elseworlds Green Arrow |
| Danielle Panabaker | Caitlin Snow / Killer Frost |
Directors
Writers
Andrew Kreisberg, Marc Guggenheim, Caroline Dries, Sarah Tarkoff, Emilio Ortega Aldrich, Tonya Kong, Rebecca Bellotto, Greg Berlanti
Cast
| Name | Character |
|---|
| Stephen Amell | Oliver Queen / Elseworlds Flash / Green Arrow |
| David Ramsey | John Diggle / Spartan |
| Emily Bett Rickards | Felicity Smoak |
| Echo Kellum | Curtis Holt |
| Juliana Harkavy | Dinah Drake |
| Colton Haynes | Roy Harper / Arsenal |
| Kirk Acevedo | Ricardo Diaz |
| Katie Cassidy | Laurel Lance |
| Grant Gustin | Barry Allen / Elseworlds Green Arrow |
| Danielle Panabaker | Caitlin Snow / Killer Frost |
| Carlos Valdes | Cisco Ramon |
| Tyler Hoechlin | Clark Kent / Elseworlds Superman |
| Melissa Benoist | Kara Danvers / Supergirl |
| Jeremy Davies | Dr. John Deegan |
| Ruby Rose | Kate Kane / Batwoman |
| LaMonica Garrett | Mar Novu / The Monitor |
| Bob Frazer | Roger Hayden / Psycho-Pirate |
| Cassandra Jean Amell | Nora Fries |
| Liam Hall | Kane Wolfman |
| John Wesley Shipp | Earth-90 Barry Allen / The Flash |
Producers
| Name | Role |
|---|
| Greg Berlanti | Executive Producer |
| Marc Guggenheim | Executive Producer |
| Jill Blankenship | Executive Producer |
| Deric A. Hughes | Executive Producer |
| Onalee Hunter | Executive Producer |
| Benjamin Raab | Executive Producer |
| Sarah Schechter | Executive Producer |
| Beth Schwartz | Executive Producer |
| James Bamford | Producer |
| Oscar Balderrama | Producer |
| John LaBrucherie | Producer |
| Jennifer Lence | Producer |
| Jordan Menn | Producer |
| Carl Ogawa | Producer |
| Todd Pittson | Producer |
| Jon Wallace | Producer |
