12:25Desert Island DiscsSir Robert MarkBBC Radio 4 Duration: 30 minutes Mon 1st Mar 1976, 12:25 on BBC Radio 4 LWAvailable for over a yearListen nowRoy Plomley's castaway is Metropolitan Police Commissioner Sir Robert Mark. Show more ContributorsPresenter:Roy PlomleyInterviewed Guest:Sir Robert MarkGenresFactualArts, Culture & the MediaFactualLife StoriesBrandDesert Island Discs Source: BBC Online