Penne Hackforth-Jones (August 5, 1949 – May 17, 2013) was an American-born Australian actress and biographer. Hackforth-Jones lived with her family in England before relocating to Australia in 1964.

At Ballarat military base, a soldier is killed on a routine training exercise.

Doctor Blake producer and creator George Adams said Hackforth-Jones's character, Nell Clasby, had been set to return for the second series, which starts filming in July.