In Space with Markiplier

Mark Fischbach

Mark

Jordan Bradley

Captain

Lio Tipton

Lady

Pamela Horton

Celcionna F. Kelvina

Mick Lauer

Gunther B. Gunnerson

Robert Muyskens

Burt

Steve Taylor

Computer (voice)

Matthew Patrick

Theory Crew

Wade Barnes

Wug

Morgan Calhoun

Bandit

Arin Hanson

Narrator (voice)

Holt Boggs

Shuttle Pilot

Ethan Nestor

Wormhole

Baldermort

Invincible Tower

Tyler Scheid

First Mate

Linda Bradshaw

Dorene L. Whitacre

Brian Wecht

Ninja Crew

Dan Avidan

Sexy Crew

Imane Anys

Cryo Computer (voice)

Seán McLoughlin

Drones

Carlos Pena

Crew 1

Roderick Loving

Crew 2

Jason C Campbell

Crew 3

Judy Lee

Crew 4

Sophia Tinsley

Crew 5

Reggie Lussier

Crew 6

Kai Woodley

Crew 7

Gabriel Leite

Crew 8

Amani Alexander

Crew 9

Adam Weightman

Crew 10

Mo Alfy

Joe (uncredited)

Sara Burke

Window Guard (uncredited)

Danielle Evon Ploeger

Alien Teen