An amateur sleuth suspects foul play when a fellow passenger on a seaplane suddenly dies. The third and final film with Edna May Oliver and James Gleason as the astute schoolteacher Hildegarde Withers and the New York Police Inspector Oscar Piper busy solving crimes.
Hildegarde Withers
Police Insp. Oscar Piper
Phyllis La Font
Tom Kelsey, alias Roswell T. Forrest
Kay Deving
Marvin Deving
Dick French
Willie (as Sleep 'n' Eat)
Joseph B. Tate
Captain Beegle
Chief of Police Britt
Dr. O'Rourke
Madden
McArthur aka Arthur Mack
Roswell T. Forrest
Hotel Gardener (uncredited)
Man with Pelican (uncredited)
Deputy (uncredited)
Actress Holding Parrot (uncredited)
Porter at Seaplane Landing (uncredited)
Police Stenographer (uncredited)
Hotel Clerk (uncredited)
Night Watchman (uncredited)
