|Synecdoche, Part 1|
|Season 7, Episode 11 (131)|
|Better Days||Synecdoche, Part 2|
PART 1 OF 4: PARTS OF THE WHOLE- The Team receives aid from an unlikely source in their war against Project Ares.
- Katie Cassidy Rodgers as Laurel Lance/Black Canary
- Katrina Law as Nyssa al Ghul
- Jessica de Gouw as Helena Bertinelli/Huntress
- Caity Lotz as Sara Lance
- Katie McGrath as Lena Luthor
- Odette Annable as Samantha Arias
- Jane Levy as Barbara Gordon/Oracle
- Leven Rambin as Lyvia Luthor
- Riley Voelkel as Freya Mikaelson
- and Justin Hartley as Oliver Queen (Earth-19)/Green Arrow
Special Guest StarsEdit
- Yahya Adbul-Matteen as David Kane/Black Manta
- Minka Kelly as Dawn Granger
- Mehcad Brooks as James Olsen/Guardian
- Chyler Leigh as Alex Danvers
- Rose McIver as Stephanie Brown/Batgirl
- with Katheryn Winnick as T.A.M.S.I.N.
- and Max Martini as Slade Wilson (Earth-3)/Deathstroke
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