The Doctor (archive footage)
Jo Grant (archive footage)
The Master (archive footage)
Colonel George Trenchard (archive footage)
Captain John Hart (archive footage)
Robbins (archive footage)
Commander Ridgeway (archive footage)
Lt. Commander Mitchell (archive footaage)
3rd Officer Jane Blythe (archive footage)
C.P.O Myers (archive footage)
C.P.O Smedley (archive footage)
C.P.O Summers (archive footage)
LDG. Telegraphist Bowman (archive footage)
LDG. Seaman Lovell (archive footage)
Rear Admiral (archive footage)
P.P.S. Walker (archive footage)
Clark (archive footage)
Hickman (archive footage)
Castle Guard Barclay (archive footage)
Castle Guard Drew (archive footage)
Chief Sea Devil (archive footage)
Sea Devil (archive footage)
Stunt Sea Devil (archive footage)
Sea Devil (voice)