Stockbroker Mr Sparrow finds himself blackmailed by his secretary after fiddling the taxman plus making unwanted sexual advances.
| Actor | Role |
|---|---|
 John Le MesurierMr. Sparrow | Mr. Sparrow |
 Peter VaughanSgt. George Burtonshaw | Sgt. George Burtonshaw |
 Peter ButterworthVickary | Vickary |
 Jo RowbottomAngie Dundas | Angie Dundas |
 Robert JamesAngus Kendrick | Angus Kendrick |
| MMarcus HammondArnold | Arnold |
 Sheila KeithMiss Tripp | Miss Tripp |
| WWinifred DennisMrs. Everley | Mrs. Everley |