A no-nonsense engineer is hired to oversee construction of the Whitney Tunnel, a project that has been plagued by a series of mysterious--and often fatal--accidents.
Victor Jory
as John O'Hara
Sally O'Neil
as Ann Miller
Johnny Arthur
as Willie Dent
Ward Bond
as Danny
Dewey Robinson
as Dave Shane
Thurston Hall
as Jim Whitney
Robert Gleckler
as Bill Anderson
Jonathan Hale
as Chairman of the Board
Howard Hickman
as Billings
Jeanie Roberts
as Arabella
Frank Rice
as Swede Mulhausen
George McKay
as Nick Pollack
