Carmelita and Uncle Matt find themselves in a haunted house, but the "ghosts" are actually enemy agents who are trying to frighten away visitors in order to develop a nitroglycerin bomb.
Lupe Vélez
as Carmelita Lindsay
Leon Errol
as Uncle Matt Lindsay / Lord Basil Epping
Charles 'Buddy' Rogers
as Dennis Lindsay
Elisabeth Risdon
as Aunt Della Lindsay
Donald MacBride
as Percy Fitzbadden
Minna Gombell
as Edith Fitzbadden
Don Barclay
as Fingers O'Toole
Lillian Randolph
as Hyacinth
John McGuire
as Luders
Mantan Moreland
as Lightnin'
Harry Tyler
as Bascombe
Marten Lamont
as Mr. Harcourt
