| Alex Marsden is a handsome and celebrated cardiac surgeon with a champagne lifestyle. His two closest friends are Marcella and her husband Larry. Marcella and Alex are in the middle of an affair when Larry develops a heart problem. A heart bypass operation will save him and Larry wants Alex to perform it. |
| Name | Character | Episodes |
|---|---|---|
| Orla Brady | Marcella Duggan | 2 |
| Nigel Havers | Dr. Alex Marsden | 2 |
| John Castle | Charlie Hawkesmore | 2 |
| Lorcan Cranitch | Larry Duggan | 2 |
| Michael Troughton | Bill Lester | 2 |
| Sam Dastor | V. J. Krishna | 2 |
| Claire Yarlett | Sarah | 2 |