Inside Information is a 1939 American mystery film directed by Charles Lamont.

Starring Dick Foran, Harry Carey, and June Lang.

Published on June 2, 1939.

Synopsis:
Lloyd Wilson, a trusted employee of an investment firm, is accused of theft when a $20,000 bond is stolen from his office.

Tarzan, the famous police dog, develops an instinctive dislike for seemingly upstanding citizens, which leads Wilson and the police to the gang's headquarters.

Tarzan is commended for his role in solving a case involving a gang of desperate criminals.