Arrow · Season 8 · Episode 1
Starling City
Oliver returns to Starling City on Earth-2, where he encounters familiar faces while trying to decipher the Monitor's mission. Meanwhile, Mia and William's team clash with a new foe.
Guest stars
Susanna Thompson
Moira Queen
Colin Donnell
Tommy Merlyn
Josh Segarra
Adrian Chase
John Barrowman
Malcolm Merlyn
Andrea Sixtos
Adult Zoe Ramirez
LaMonica Garrett
Mar Novu / The Monitor
Hugo Ateo
Alberto Vazquez
Tegan Verheul
Not Felicity
Charlie Barnett
John 'JJ' Diggle, Jr.