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

Man with Pelican (uncredited)

Deputy (uncredited)

Actress Holding Parrot (uncredited)

Porter at Seaplane Landing (uncredited)
February 22, 1935

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

Man with Pelican (uncredited)

Deputy (uncredited)

Actress Holding Parrot (uncredited)

Porter at Seaplane Landing (uncredited)
