The Traitor Within

{{short description|1942 film by Frank McDonald}}

{{For|the 1923 film|The Traitor Within (1923 film)}}

{{Infobox film

| name = The Traitor Within

| image = The Traitor Within poster.jpg

| alt =

| caption = Theatrical release poster

| director = Frank McDonald

| producer = Armand Schaefer

| screenplay = Jack Townley

| story = Charles G. Booth

| starring = Don "Red" Barry
Jean Parker
George Cleveland
Ralph Morgan
Jessica Newcombe
Bradley Page

| music = Mort Glickman

| cinematography = Bud Thackery

| editing = Charles Craft

| studio = Republic Pictures

| distributor = Republic Pictures

| released = {{Film date|1942|12|16}}

| runtime = 62 minutes

| country = United States

| language = English

| budget =

| gross =

}}

The Traitor Within is a 1942 American action film directed by Frank McDonald and written by Jack Townley. The film stars Don "Red" Barry, Jean Parker, George Cleveland, Ralph Morgan, Jessica Newcombe and Bradley Page. The film was released on December 16, 1942, by Republic Pictures.{{cite web|url=https://www.tcm.com/tcmdb/title/93810/the-traitor-within |title=The Traitor Within (1942) - Overview |publisher=Turner Classic Movies |date= |access-date=2015-11-07}}{{cite web|author=Sandra Brennan |url=https://www.allmovie.com/movie/the-traitor-within-v114330 |title=The Traitor Within (1942) - Frank McDonald |publisher=AllMovie |date= |accessdate=2018-12-02}}{{cite web|url=http://www.afi.com/members/catalog/DetailView.aspx?s=&Movie=27529 |title=The Traitor Within |publisher=Afi.com |date= |accessdate=2015-11-07}}