| Gavin | Andrew Hyde |
| Vicki | Erin Cooper |
| Barbara (Gavin's mother) | Fiona Garrity |
| Mary (Vicki's mother) | Amanda Mileson |
| John (father of Gavin and Vicki) | Mike Lanchester |
| Stanley (the lodger in Wimbledon) | Timothy Harrap |
| Dad (Stanley's father) | Robert Marple |
The action takes place simultaneously in the flats of Barbara Smith in Streatham and Mary Smith in Wimbledon. The time is the present. There will be one interval of 20 minutes