Mary Abbott is a schoolteacher whose husband has to go away for the night on business. After returning home from a party she has an unexpected caller.
| Actor | Role |
|---|---|
 Colette O'NeilMary | Mary |
 Donald ChurchillHarry | Harry |
| DDiane GraysonRosemary | Rosemary |
 Nicholas ClayPaul | Paul |
 Michael StandingJack | Jack |
 Geoffrey LumsdenHeadmaster | Headmaster |
| PPhillada SewellJoanna | Joanna |
| DDenis HuettJulian | Julian |
| RRaymond MasonBill | Bill |