David Tennant
The Doctor (voice)
Acting
Freema Agyeman
Martha Jones (voice)
Acting
Anthony Stewart Head
Baltazar (voice)
Acting
Toby Longworth
Caw / Squawk (voice)
Acting
Liza Tarbuck
Captain Kaliko (voice)
Acting
Tom Farrelly
Swabb (voice)
Acting
Lizzie Hopley
Mantasphid Queen (voice)
Acting
Paul Clayton
Mergrass (voice)
Acting
Steven Meo
Pilot Kelvin (voice)
Acting
Barney Harwood
Control Voice (voice)
Acting
Stephen Greif
Gurney (voice)
Acting
Dan Morgan
Locke / Warders (voice)
Acting