'Admiral's son loves girl who becomes spy, and dies foiling her schemes.' (British Film Catalogue)
Moore Marriott
as Mick Trevorn
Trilby Clark
as Sylvia
Alf Goddard
as Lumley
Johnny Butt
as Barker
Mickey Brantford
as Mick (child)
Agnes Brantford
as Molly (child)
Cynthia Murtagh
as Molly
C.M. Hallard
as John Peters
Patrick Aherne
as Bob Halliday
Lewis Shaw
as Bob (child)
Frank Atherley
as Admiral Halliday
Griffith Humphreys
as Mr Freeman
