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