Public Domain Movies

You can find more information regarding this film on its IMDb page.

Undercover Agent is a 1939 American drama film directed by Howard Bretherton and starring Russell Gleason, Shirley Deane, and J. M. Kerrigan. It was released on April 5, 1939.

Cast list
Russell Gleason as William Trent
Shirley Deane as Betty Madison
J. M. Kerrigan as Thomas "Pop" Madison
Maude Eburne as Mrs. Minnow
Oscar O'Shea as Pat Murphy
Ralf Harolde as Bartel
Selmer Jackson as Graham
Ray Bennett as Pussyfoot
Ralph Sanford as Joe Blake