Richard Briers
— Jack Broome
Paul Copley
— PO Jordan
Philip Bloomfield
— Chief Yeoman Blood
Tony Caunter
— Coxswain
Simon Heywood
— Lt. Lloyd
Norman McDonald
— Surgeon Lt. McKendrick
Osmund Bullock
— Lt. Colin Beale
Frederick Treves
— Admiral Jack Tovey
Rowena Cooper
— Sybil Broome
John Horsley
— Admiral Nicholas
Christopher Villiers
— Sub-Lt. Larkin
Joshua Le Touzel
— Simon Broome
Sylvester Morand
— Commander Richards
Patrick Troughton
— Commodore Londonderry
Susie Jenkinson
— Third Officer Wren
Richard Beale
— Capt. Bulteel
Edward Lyon
— Lt. Cmdr. Peter Gretton
Blain Fairman
— Lt. Cmdr. Hollerith
Nicholas Lumley
— Squadron Leader Maxwell
David Waller
— First Lord A.V. Alexander
Roger Milner
— Admiral Naismith
Christine Kimberley
— Muriel Beale
Georgina Coombs
— Second party girl