Overview
Aged nuclear physicist Professor Penmore is sent to prison for ten years for betraying rocket secrets to East Germany, but two people believe him innocent – his daughter Pat and his assistant Emma.
Cast
- William Franklyn as Ian Lambart
- Lana Morris as Emma Cresswell
- Cyril Luckham as Det. Chief-Supt. Gage
- Caroline Blakiston as Pat Penmore
- Manning Wilson as Sergeant Rose
- Patrick Troughton as Trev
- Freda Bamford as Kitty