Eight people are invited by an unsigned telegram to a penthouse apartment, where they find themselves locked in and greeted by their unknown host's voice via the radio, who explains that before the night is over each one will be die unless they manage to outwit the ninth guest, Death.
Donald Cook
as Jim Daley
Genevieve Tobin
as Jean Trent
Hardie Albright
as Henry Abbott
Edward Ellis
as Tim Cronin
Edwin Maxwell
as Jason Osgood
Vince Barnett
as William Jones
Helen Flint
as Sylvia Inglesby
Samuel S. Hinds
as Dr. Murray Reid
Nella Walker
as Margaret Chisholm
Sidney Bracey
as Hawkins
Mildred Gover
as Jean's Maid (Uncredited)
Arthur Hoyt
as Osgood's Secretary (Uncredited)
