Frost plots Miss Marple mystery in prequel film

Frost is developing a script which revolves around Marple as a 30-something crime solver.

No casting has been announced.

Miss Marple has been played on the big and small screen by British actresses Angela Lansbury, Joan Hickson, Margaret Rutherford, Julia Mackenzie and Geraldine McEwan and American star Helen Hayes.

The only actress to play a young Miss Marple is Julie Cox, who played the detective in 2004 TV movie Marple: The Murder at the Vicarage.