Comedy-mystery finds Detectives Kelly and Dempsey trapped in a deserted lighthouse with a group of strangers who are being terrorized by a killer octopus AND a mysterious crime figure named after the title sea creature.
Hugh Herbert
as Kelly
Allen Jenkins
as Dempsey
Marcia Ralston
as Vesta Vernoff
John Eldredge
as Paul Morgan
George Rosener
as Capt. Hook
Brandon Tynan
as Captain Cobb
Eric Stanley
as David Dow Harriman
Margaret Irving
as Polly Crane
Elspeth Dudgeon
as Nanny
