The Crime Doctor's Gamble
The Crime Doctor's Gamble is a 1947 American mystery film directed by William Castle and starring Warner Baxter, Micheline Cheirel and Roger Dann.
It is part of the Crime Doctor series of films made by Columbia Pictures.
While in Paris, Doctor Robert Ordway assists the local police to investigate a murder.
The Crime Doctor's Diary
The Crime Doctor's Diary is a 1949 American mystery film directed by Seymour Friedman and starring Warner Baxter, Stephen Dunne and Lois Maxwell.
It is the last of the Crime Doctor series of films made by Columbia Pictures.
Precious Stones (film)
Precious Stones( German: Edelsteine) is a 1918 German silent drama film directed by Rudolf Biebrach and starring Paul Bildt, Henny Porten and Paul Hartmann.
The film's sets were designed by the art director Ludwig Kainer.
Rudolf Biebrach
Rudolf Biebrach( 24 November 1866 – 5 September 1938) was a German actor and film director.
He directed over 70 films between 1909 and 1930; and he appeared as an actor in nearly 110 films between 1909 and 1938.
In his youth, Biebrach had worked for some years as an engraver.
He got his first engagement as an actor in Gießen during 1890/ 1891.
After a long career as a stage actor, Biebrach managed to become a successful director and character actor in the German film during the 1910s.
He directed many films with Henny Porten and Lotte Neumann.
Crime Doctor's Warning
Crime Doctor's Warning is a 1945 American mystery film directed by William Castle, and fourth in the Crime Doctor series of ten films produced between 1943 and 1949.
Shadows in the Night (1944 film)
Shadows in the Night is a 1944 American mystery film directed by Eugene Forde and starring Warner Baxter, Nina Foch and George Zucco.
It is part of the Crime Doctor series of films made by Columbia Pictures.
It is also known by the alternative title of Crime Doctor's Rendezvous.
The Crime Doctor's Strangest Case
The Crime Doctor's Strangest Case is a 1943 American mystery film directed by Eugene Forde and starring Warner Baxter, Lynn Merrick and Gloria Dickson.
It is the second in a series of Crime Doctor films made by Columbia Pictures.
The Crime Doctor's Courage
The Crime Doctor's Courage is a 1945 American mystery film directed by George Sherman and starring Warner Baxter, Hillary Brooke and Jerome Cowan.
It is part of the Crime Doctor series of films made by Columbia Pictures.
George Sherman
George Sherman( July 14, 1908 – March 15, 1991) was an American film director and producer of low- budget Western films.
Crime Doctor's Man Hunt
Crime Doctor's Man Hunt is a 1946 American mystery film directed by William Castle and starring Warner Baxter, Ellen Drew and William Frawley.
It is part of the Crime Doctor series of films made by Columbia Pictures.
The film's sets were designed by the German art director Hans Radon.

Question: Do both The Crime Doctor's Courage and Precious Stones (film) films have the directors from the same country?
Answer: no