Grand Jury Secrets is a 1939 American mystery film directed by James P. Hogan and written by Irving Reis, Maxwell Shane and Robert Yost.

The film stars John Howard, Gail Patrick, William Frawley, Jane Darwell, Porter Hall and Harvey Stephens.

Nevertheless, John continues to jeopardize his brother's career and decides to infiltrate the brokerage house by posing as Avery, a wealthy young investor from the South.

Posing as a priest, John visits the accused in prison, where the young man confesses that Pelton tried to blackmail his father.

Begging his brother for a chance to make amends, John is released and goes to Reedy's office, where he digs a bullet from the desk.