a Republic Production ; Herbert J. Yates presents ; screen play by Harry Brown, James Edward Grant ; associate producer, Edmund Grainger ; directed by Allan Dwan
Darryl F. Zanuck Productions, Inc. & Twentieth Century Fox Film Corp. ; British exterior episodes directed by Ken Annakin ; American exterior episodes directed by Andrew Marton ; German episodes directed by Bernhard Wicki ; produced by Darryl F. Zanuck ; screenplay by Cornelius Ryan ; additional episodes written by Romain Gary, James Jones, David Pursall & Jack Seddon