Hrají
Rosalind Ayres
role: Barbara Perrin
Andrew Burt
role: Lt. Peek
Brian Croucher
role: Ralph Perrin-
Graeme Eton
role: Lt. Wakelin -
Derek Godfrey
role: Capt. Edward Holt -
Nigel Humphreys
role: L / Sea. Anderson -
Frank Jarvis
role: MAA Burnett -
Melville Jones
role: Dawlish -
Ronald Leigh-Hunt
role: Gage -
Robert Morris
role: Lt. Cmdr. Napier -
Robert Morris
role: Lt. Cmdr. Napier -
John Rolfe
role: Lodge -
Derek Slater
role: Lillie 
Jack Watson
role: Walter Perrin-
Peter Williams
role: Strudwick