The Case of the HGM Mark 5

Senior officers aboard HMS Troutbridge fear the worst when they're summoned to the Admiralty.

Starring Leslie Phillips as the Sub-Lieutenant, Jon Pertwee as the Chief Petty Officer, Stephen Murray as the Commanding Officer, Richard Caldicot as Captain Povey, Heather Chasen as Rita, Tenniel Evans as Bonzo, Michael Bates as the Admiral, April Walker as Wren Barrett and Pete Murray as Himself.

Laughs afloat aboard British Royal Navy frigate HMS Troutbridge. The Navy Lark ran for an impressive thirteen series between 1959 and 1976.

Scripted by Lawrie Wyman and George Evans.

Producer: Alastair Scott Johnston.

First broadcast on BBC Radio 2 in January 1976.