|Season 5, Episode 4|
|Birds of a Feather||The Sisters Lance|
- Katie Cassidy as Laurel Lance & Laurel Lance (Earth 2)/Black Siren
- Katrina Law as Nyssa al Ghul
- Caity Lotz as Sara Lance
- Odette Annable as Samantha Arias
- Katie McGrath as Lena Luthor
- Crystal Reed as Sofia Falcone
- with Colin Donnell as Tommy Merlyn
- and Paul Blackthorne as Larry Lance
Special Guest Stars
- Antagonist: Atrocitus
- 3rd episode this season to feature all main characters.
- This episode takes place on June 13, 2017.
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