56 mins | Mystery | April 1, 1963
56 mins | Mystery | April 1, 1963
| Producers | Merton Park Studios |
| Original title | The Double |
| Directors | Maurice Gibson, Lionel Harris |
| Writers | John Roddick, Lindsay Galloway, Edgar Wallace |
as Mary Winston
as John Cleeve
as Richard Harrison
as Jane Winston
as Sir Harry Osmonde
as Derreck Alwyn
as Sally Carter
as Selena Osmonde