Triton is a British period television drama series which aired in four parts on BBC 1 in 1968. It is a remake of the 1961 BBC series of the same title about two undercover Royal Navy officers attempting to discover the secret weapon with which Napoleon plans to invade England. It turns out to be an early submarine designed by the American inventor Robert Fulton. It was followed by a sequel Pegasus in 1969. A copy of the series exists in the archives of the British Film Institute. Cast Jonathan Adams as Captain Julius Belwether Paul Grist as Lieutenant Simon Lamb Robert Cawdron as Robert Fulton Alan Downer as Interpreter Maurice Browning as Marquis de St. Cloud Moris Farhi as French Captain Ric Felgate as Lieutenant Singleton Terry Scully as Horatio Nelson Hamilton Dyce as John Jervis Tony Boyd as Napoleon Bonaparte Kathleen Helme as Madame Victor References Bibliography Ellen Baskin. Serials on British Television, 1950-1994. Scolar Press, 1996. Sue Parrill. Nelson's Navy in Fiction and Film: Depictions of British Sea Power in the Napoleonic Era. McFarland, 2009. External links BBC television dramas 1968 British television series debuts 1968 British television series endings English-language television shows