A trio of Americans arrive at Colditz to join the solitary US inmate, Jim Phipps – but his suspicions are aroused when he sees the newcomers getting access to American newspapers and better provisions and despite the fact that there is a familiar face, the British wonder if in fact they are housing a German trained fifth column.
| Name | Type | Role | |
|---|---|---|---|
| Ivan Moffat | Writer | ||
| Philip Dudley | Director |