The Diamond Queen
B&W : Serial / 18 episodes
Directed by Edward Kull
Cast: Eileen Sedgwick [Doris Harvey], George Chesebro [Bruce Weston], Frank Clarke (Frank Clark) [Julius Zeidt], Burton Wilson [John Harvey], Alfred Fisher [Professor Harvey], Josephine Scott [Aline Earl], Lou Short (Lew Short) [Reitman], Al Smith (Albert J. Smith) [Professor Ramsey]
The Universal Film Manufacturing Company, Incorporated, production; distributed by The Universal Film Manufacturing Company, Incorporated. / Scenario by George W. Pyper and Robert F. Roden, from the short story “The Diamond Master” by Jacques Futrelle. / 18 episodes:  “Vow of Vengeance,” released 15 March 1921. / Standard 35mm spherical 1.33:1 format. / The story was subsequently filmed as The Diamond Master (1929).
Survival status: The film is presumed lost.
Current rights holder: Public domain.
Listing updated: 29 April 1009.
References: Lahue-Continued p. 218-219, 284 : Website-IMDb; Website-SerSq.