Never trust a man whoever he is. This is the bitter lesson learned by Mary MacNeil in her relationships with three different men: her father, a mendacious womanizer; a smooth-talking office flirt, Cornelius; and an aging barrister, Emlyn, who is enchanted by Mary's youthful vitality and charm.
| Actor | Role |
|---|---|
 Sean ConneryMacNeil | MacNeil |
 Michael CaineCornelius | Cornelius |
 Paul ScofieldSir Emlyn Bowen, Q. C. | Sir Emlyn Bowen, Q. C. |
 Anna Calder-MarshallMary | Mary |
 Katharine BlakeMiss Saville | Miss Saville |
 Roddy McMillanBilly | Billy |
 Jo RowbottomBarmaid | Barmaid |
 Maggie RennieBarmaid | Barmaid |
 Katharine PageAunt Sarah | Aunt Sarah |
 Michael BatesFred | Fred |
| JJanet KeySally | Sally |
 Geoffrey ChaterToby Pears | Toby Pears |
| GGeorge HoweCharles | Charles |
 Kynaston ReevesJudge | Judge |
| KKate ColeridgeAir Stewardess | Air Stewardess |
 Laurence OlivierPresenter | Presenter |