Invasion!

Emily Bett Rickards

Felicity Smoak

Dominic Purcell

Mick Rory / Heat Wave

Franz Drameh

Jefferson 'Jax' Jackson / Firestorm

Christina Brucato

Lily Stein

Jerry Wasserman

President

Melissa Benoist

Kara Danvers / Supergirl

Caity Lotz

Sara Lance / White Canary

Audrey Marie Anderson

Lyla Michaels

Victor Garber

Dr. Martin Stein

Willa Holland

Thea Queen / Speedy

Donnelly Rhodes

Agent Smith

Linda Ko

NSA Official

Robin Atkin Downes

Dominator (voice)

Sonia Beeksma

Reporter

David Ramsey

John Diggle / Spartan

Stephen Amell

Oliver Queen / Green Arrow