Mrs Billie Hann plays brightly the part of Eileen Cavanagh, and her well-trained contralto voice was brought out fully to good purpose in 'the girl with the brogue' and in the duets with Jack in 'half past two' and 'charming weather'. Her brother-in-law Jack [John Wilfred] was the show's electrician
(see http://www1.britishnewspaperarchive.co.uk/viewer/bl/0000265/19340817/156/0014- subscription required)