Border Phantom is a 1937 American Western film directed by S. Roy Luby and written by Fred Myton. The film stars Bob Steele, Harley Wood, Don Barclay, Karl Hackett, Horace Murphy, and Miki Morita. The film was released on June 7, 1937, by Republic Pictures.

Plot
Cowboy Larry O’Day and his sidekick Lucky Smith happen upon a distraught Barbara Hartwell, who is about to be arrested for the murder of her uncle. With Barbara behind bars, Larry is determined to find the real killer and soon finds himself in the middle of a mystery involving crazed German entomologists and a smuggling ring bringing Chinese “picture girls” across the Mexican border for sale to wealthy Chinese bachelors.

Cast
Bob Steele as Larry O’Day
Harley Wood as Barbara Hartwell
Don Barclay as Lucky Smith
Karl Hackett as Obed Young
Horace Murphy as Sheriff
Miki Morita as Chan Lee
Perry Murdock as Jim Barton
John S. Peters as Dr. Von Kurtz
Frank Ball as Professor Andrew Hartwell