First broadcast 9th August 1973.
Master at Arms Heron's extension for service is turned down due to a black mark from HMS Boadicea's Commander Murton.
Donald Burton - Commander Mark Nialls
David Savile - Lieutenant Commander Beaumont
Don Henderson - Master at Arms Heron
Norman Eshley - Lieutenant Last
Graeme Eton - Lieutenant Wakelin
Malcolm Terris - Commander Murton
Heather Canning - Maura
Patricia Mort - Peggy Carter
James Cosmo - Leading Regulator Fuller
David Neal - Lieutenant Commander Hopwood
Forbes Collins - Master at Arms Wilson
Ron Pember - AB Adge
Richard Hampton - Flag Lieutenant
Terence Sewards - The Major
Peter Longbow - Fleet Operations Officer
Jonathan Gardner - Leading Writer
Maurice Quick - Flag Officer, Gibralter
