Arrow

Actress Katie Cassidy Rodgers who plays Laurel Lance and Black
Siren will be directing a Ep in Season 8 the Final Season.

Actor Charlie Barnett has been cast as the adult John Diggle Jnr

Comic Con 2018 Season 7 Retrospective and Season 8 Teaser:

https://youtu.be/reAuYvej_7M

They really are going all out for the final season Actress Susanna Thompson who played Moira Queen is returning for the Season 8 Premiere and on top of that Actors Colin Donnell (Tommy) and Josh Segarra (Adrian Chase) will be returning.

Ep 3 of Season 8 the final Season will be titled “Leap of Faith.”

Ep 2 of Season 8 the Final Season will be titled “Welcome To Hong Kong”.

Concept art for the new costumes for Laurel and Diggle

Another new Oliver Queen Promo pic for season 8

Stephen Amell has said not only will be playing Oliver Queen in the Crossover but he said he will be playing other characters which will be interesting.
Colin Donnell who played Tommy Merlyn we will be seeing a lot of him in Season 8 of Arrow as the Actor has left the show he was on and probably be in the crossover, it’s been said something big will be happening to the character that people have been asking for years.
It’s been rumours that Stephen Amell is trying to get Tom Welling to appear in the Crossover.

Kevin Conroy voice of Batman in animated series has been cast as Bruce Wayne in CW crossover Crisis On infinite Earths.