Hyperdrive

Nick Frost

Commander Michael Henderson

Miranda Hart

Diplomatic Officer Chloe Alice Teal

Kevin Eldon

First Officer Eduardo Pauline York

Dan Antopolski

Technical Officer Karl Jeffers

Stephen Evans

Navigator Dave Vine

Petra Massey

Sandstrom

Maggie Service

Computer (voice)

Paterson Joseph

Space Marshall Clarke

Waen Shepherd

Captain Helix

Petra Massey

Sandstrom

Morwenna Banks

Announcer (voice)

Ewan Bailey

Computer (voice)

Remi Nicole

Piretti

Joe Marshall

Wade

Montserrat Lombard

Lavya

Geoffrey McGivern

Supreme Ruler

Stephen Mangan

Mason

Hywel Simons

Drunken Commander (uncredited)

Sarah Solemani

Alien #1

Katy Brand

Sally Phillips

Clare Winchester

Colin McFarlane

Male Bulaahg

Richard Katz

Male Glish

Katherine Jakeways

Female Glish