Mad scientist works on a death ray in his mountain hideaway.
Josephine Dunn
Doris Farrington
Jack Mulhall
Danny
Eddie Boland
Freddie
Marjorie Beebe
Gertrude
Martha Mattox
The Housekeeper
Mischa Auer
Henry
Phillips Smalley
Judge Folger
Crauford Kent
Arnstein
Frank Ball
Dr. Farrington
Alfred Cross
Goddard
George Reed
The Taxi Driver (uncredited)
