Milly Alcock

Supergirl

Eve Ridley

Ruthye

Matthias Schoenaerts

Krem

Jason Momoa

Lobo

David Krumholtz

Zor-El

Emily Beecham

Alura In-Ze

David Corenswet

Superman

Kadiff Kirwan

Bomar Vran

Thalissa Teixeira

Mareck Vran

Ferdinand Kingsley

Elias Knoll

Emily Piggford

Delilah Knoll

Diarmaid Murtagh

Drom Baxton

Clara Rosager

Blue Sklarian Raider

Alice Hewkin

Red Sklarian Raider

Heather Agyepong

Purple Sklarian Raider

Wil Coban

Brute

George Montague

Hideous Alien Double

Bruce Lennox

Emond Knoll

Audrey Brisson-Jutras

Lumpy Alien

Avye Leventis

Lumpy Alien

Leo Bill

Big Furry Gremlin

Keeley Forsyth

Healer

Asha Soetan

Sarna Vran

Naomi Wirthner

Doctor

Imogen Turner

Young Kara

Paul Hunter

Wormhole Bus Driver

Charlie Rawes

Hookah Smoking Alien / Massive Man

Craig Binning

Screeching Alien

Luke Rollason

Rest Stop Clerk

Adam Young

Bilqui Criminal

Winnie Ama

Evely Band Singer

Henry Tozer

Evely Band Pianist

Jordan Coulson

Skeevy Dude

James Eeles

Wiry Criminal

Tom Godwin

Sleeping Prisoner

Shaun Mason

Brigand Underling

Dean Nolan

Brigand Superior

Daniel Scott-Smith

Peeing Brigand

Audrey Kattan

Caged Bride

Florisa Kamara

Harpoon Bride

Seth Rogen

Lloyd (voice) (uncredited)