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 Guild
Minna Gombell
Mimi Wynant
Porter Hall
Herbert MacCaulay
Henry Wadsworth
Tommy
William Henry
Gilbert Wynant
