Great Big Groovy Horse Rock musical retelling of the legend of the Trojan Horse. Details Casts Title Great Big Groovy Horse Release Date 1975-12-25 Runtime 00 Hours 50 Minutes Genres Music TV Movie Family Production Companies BBC Production Countries United Kingdom Bernard Cribbins... The Storyteller... Paul Jones... Menelaus... Patricia Hodge... ... Nigel Williams... ... Julie Covington... ... Richard Bartlett... ... Miquel Brown... ... Kim Goody... ... Michael Howe... ... Derek James... ... Julian Littman... ... Richard Owens... ... Michael Staniforth... ... Caroline Villiers... ... Maynard Williams... ...