John Forrest, an insurance investigator with a weakness for model railways, is on the trail of a gang of smash-and-grab thieves targeting Europe's most prestigious jewellers. As the chase leads him to Ireland, Forrest finds he needs help and who better to call upon than his impossibly elegant, highly capable wife, Alice?
Jack Buchanan
as John Forrest
Elsie Randolph
as Alice
Arthur Margetson
as Malvern
Anthony Holles
as Polino
Edmund Willard
as Cappellano
Lawrence Grossmith
as Rankin
Zoe Wynn
as Carole
Edward Lexy
as Inspector McInerney
Nigel Fitzgerald
as Cosgrove
Laurence Hanray
as Praskins (as Laurence Hanray)
Sara Seegar
as Miss Quincey
