A woman wakes up in the middle of the night on board a train, but she can't remember how she got there. Danger and suspense ensue.

Claudette Colbert
as Alison Courtland

Robert Cummings
as Bruce Elcott

Don Ameche
as Richard W. Courtland

Rita Johnson
as Barby

George Coulouris
as Charles Vernay

Queenie Smith
as Grace Vernay

Ralph Morgan
as Dr. Rhinehart

Keye Luke
as Jimmie Lin

Fred Nurney
as Haskins

Raymond Burr
as Detective Sergeant Strake
CinemaSerf
This is quite an effective little mystery that reminded me at times of "Gaslight" (1944). Claudette Colbert wakes up, suddenly, on a train without any idea how she got there. Repatriated with her husband "Richard" (Don Ameche) she continues to have dizzy spells, increasingly frequent moments of diso...