The 3rd Voice is a 1960 American neo noir thriller crime drama film directed and written by Hubert Cornfield, who also produced the film with Maury Dexter. It is based on the novel All the Way by Charles Williams and stars Edmond O'Brien, Laraine Day, and Julie London.

Eamon Joseph O'Brien was an American actor of stage, screen, and television, and film director. His career spanned almost 40 years, and he won one Academy Award, two Golden Globe Awards, and two stars on the Hollywood Walk of Fame.