A millionaire businessman's brain is kept alive after a fatal accident, and communicates clues to a doctor on the trail of the killer.
Anne Heywood
as Anna Holt
Peter van Eyck
as Dr. Peter Corrie
Cecil Parker
as Stevenson
Bernard Lee
as Dr. Frank Shears
Ellen Schwiers
as Ella
Siegfried Lowitz
as Mr. Walters
Hans Nielsen
as Immerman
Jeremy Spenser
as Martin Holt
Maxine Audley
as Marion Fane
Jack MacGowran
as Furber
Miles Malleson
as Dr. Miller
George A. Cooper
as Thomas Gabler