When disaster hits the Titanic, the Doctor uncovers a threat to the whole human race. Battling alongside aliens, saboteurs, robot Angels and a new friend called Astrid, can he stop the Christmas inferno?
David Tennant
as The Doctor
Kylie Minogue
as Astrid Peth
Russell Tovey
as Midshipman Alonso Frame
Jimmy Vee
as Bannakaffalatta
Clive Swift
as Mr. Copper
George Costigan
as Max Capricorn
Geoffrey Palmer
as Captain Hardaker
Gray O'Brien
as Rickston Slade
Debbie Chazen
as Foon Van Hoff
Clive Rowe
as Morvin Van Hoff
Andrew Havill
as Chief Steward
Bernard Cribbins
as Wilfred Mott
