- Unknown:
- Anthony Powell
- Broadcasting By:
- Bennett Maxwell
- Played By:
- Peggy Butt
- Played By:
- Freda Dowie
- Unknown:
- Gladys Spencer
- Unknown:
- Dorit Welles
- Unknown:
- Derek Blomfield
- Unknown:
- Bill Horsley
- Unknown:
- Will Leighton
- Unknown:
- Charles Simon
- Produced By:
- Bennett Maxwell
- Lushington:
- Michael Spice
- Ortrud Mavrin:
- Diana Olsson
- Da CostaWilliam:
- Eeble
- Count Bobel:
- Julian Somers
- Pope:
- Douglas Storm
- Professor Mavrin:
- Harold Reese
- Curtis Cortney:
- John Pullen
- Count Scherbatcheff:
- Kenneth Dight
- Waldemar:
- Hugh Dickson
- Baroness Puckler:
- Hilda Kriseman
- Lucy:
- Gudrun Ure
