Experiment Perilous

In 1903, Doctor Huntington Bailey meets a friendly older lady during a train trip. She tells him that she is going to visit her brother Nick and his lovely young wife Allida. Once in New York, Bailey hears that his train companion suddenly died. Shortly afterward, he meets the strange couple and gets suspicious of Nick's treatment of his wife.

• 
  Jacques Tourneur
• 
  Dewey Starkey

• 
  George Brent
  Dr. Huntington Bailey
• 
  Hedy Lamarr
  Allida Bederaux
• 
  Paul Lukas
  Nicholas 'Nick' Bederaux
• 
  Albert Dekker
  'Clag' Claghorn
• 
  Carl Esmond
  John Maitland
• 
  Olive Blakeney
  Clarissa 'Cissie' Bederaux
• 
  George N. Neise
  Alec Gregory
• 
  Margaret Wycherly
  Maggie, the Maid
• 
  Stephanie Bachelor
  Elaine
• 
  Mary Servoss
  Miss Wilson
• 
  Julia Dean
  Deria
• 
  William Post Jr.
  District Attorney
• 
  John Ardell
  (uncredited)
• 
  Richard Bartell
  Hospital Intern (uncredited)
• 
  Mary Benoit
  (uncredited)
• 
  John Benson
  (uncredited)
• 
  Edward Biby
  Art Exhibition Guest (uncredited)
• 
  Helen Blizzard
  (uncredited)
• 
  Lulu Mae Bohrman
  (uncredited)
• 
  Wanda Cantlon
  (uncredited)