The deputy manager of a London bank has worked out a way to rob the branch of £200,000. When he becomes involved with the attractive Lady Dorset he decides to go ahead with his plan. He needs her help and that of her philandering spendthrift husband. It all comes down to a matter of trust.

Ursula Andress
as Lady Britt Dorset

Stanley Baker
as Mr. Graham

David Warner
as Lord Nicholas "Nick" Dorset

Patience Collier
as Nanny

T. P. McKenna
as Smith

David Waller
as Williams

Joan Benham
as Miss Welsh

Julian Orchard
as Thompson

Trisha Mortimer
as Janet

Anne Tirard
as Miss Marsh