A husband and wife detective team takes on the search for a missing inventor and almost get killed for their efforts.
William Powell
Nick Charles
Myrna Loy
Nora Charles
Maureen O'Sullivan
Dorothy Wynant
Nat Pendleton
Inspector John Guild
Minna Gombell
Mimi Wynant
Henry Wadsworth
Tommy
Porter Hall
Herbert MacCaulay
William Henry
Gilbert Wynant
