Distribution
- Robert MorleySelf – Presenter
- John FraserDr. 'Peter' Crippen
- Edward HardwickeChristmas Humphries
- Ronald LaceyInspector Bannister
- John WoodnuttMr. Justic McKinnon
- Gordon ReidWilliam Harper Minnoch
- Colin JeavonsMr. A.T. Lawrence
- Pam St. ClementMary Chater
- Joan HicksonCarrie Esther Rapley
- Susan SkipperMrs. Frances True
- Charles KaySir Henry Curtis Bennett, K.C.
- Christopher VilliersFrederick Bywaters
