Bridget Armstrong is a New Zealand actress. She was educated at St Patrick's Dominican College, Teschemakers, Oamaru. She appeared on stage, film and TV several times, including The Lost Tribe ; as Nurse Rosemary Layton, in the Edgar Wallace Mysteries ' episode, We Shall See; and, as Anna Bosworth, and Janet Davis, respectively, in The Scales of Justice episodes, 'The Undesirable Neighbour' and 'Infamous Conduct'. She also played Dian De Momerie in the BBC adaptation of Murder Must Advertise, by Dorothy L. Sayers.