Jeff Wamester Director Matt Bomer Flash, Barry Allen Voice Stana Katic Wonder Woman Voice Matthew Mercer Hourman Voice Omid Abtahi Hawkman Voice Chris Diamantopoulos Steve Trevor Voice Liam McIntyre Aquaman Voice Elysia Rotaru Black Canary Voice Geoffrey Arend Advisor Voice Ashleigh LaThrop Iris West Voice Darin De Paul Brainiac, Franklin D. Roosevelt Voice Keith Ferguson Dr. Fate Voice Armen Taylor Jay Garrick Voice Jeremy Adams Screenwriter Meghan Fitzmartin Screenwriter