Several days after one of his company's dams burst, ruining the life savings of several investors, a shady power company president is found stabbed to death. Ellery Queen gets to the bottom of the mystery.
Ralph Bellamy
as Ellery Queen
Margaret Lindsay
as Nikki Porter
Charley Grapewin
as Insp. Queen
Spring Byington
as Carlotta Emerson
H.B. Warner
as Ray Jardin
James Burke
as Sgt. Velie
Douglass Dumbrille
as John Matthews
John Beal
as Walter Matthews
Linda Hayes
as Marian Jardin
Sidney Blackmer
as Anthony Rhodes
Walter Kingsford
as Henry (Jardin butler)
Honorable Wu
as Lee (Matthews butler)
