The Witness Vanishes
Voltar
Edmund LoweMark Peters
Wendy BarrieJoan Marplay
Bruce LesterLord Noel Stratton
Forrester HarveyAllistair McNab
Walter KingsfordAmos Craven
J.M. KerriganFlinters
Barlowe BorlandLucus Marplay
Boyd IrwinSinclair Ellis
Vernon SteeleNigel Partridge
Reginald BarlowSir John Digby
Leyland HodgsonDade- Robert NobleInspector Wren
Phyllis BarryMiss Carson (sem créditos)- Wilson BengeBradley the Butler (sem créditos)
- Hal E. ChesterCopy Boy (sem créditos)
Herbert EvansKirby the Assistant Editor (sem créditos)
Denis GreeneLeets (sem créditos)
Anne NagelLaura the Secretary (sem créditos)- Alexander PollardEddie the Sanitorium Attendant (sem créditos)
- John RogersPrinter (sem créditos)
Michael VallonWilkes the Editor (sem créditos)