Cast: Richard Martin, Edward Norris, Movita Castaneda, Frank Wilcox, William Tannen.
© RKO Radio Pictures, Inc.; 25Aug49; LP2525.
THE MYSTERIOUS DOCTOR. Warner Bros. Pictures, Inc., c1943. 57 min., sd. A Warner Bros.-First National picture.
Credits: Director, Ben Stoloff; original screenplay, Richard Weil; film editor, Clarence Kolster.
© Warner Bros. Pictures, Inc.; 8Mar43; LP11898.
MYSTERIOUS DOCTOR SATAN. c1940. Presented by Republic Pictures. 2 reels each (no. 1, 3 reels), sd. © Republic Pictures Corp.; 13Dec40; no. 1–5, LP10224, no. 6–10, LP10244; no. 11–15, LP10305.
Credits: Associate producer, Hiram S. Brown, Jr.; directors, William Witney, John English; original screenplay, Franklyn Adreon, Ronald Davidson, Norman S. Hall, Joseph Poland, Sol Shor; music score, Cy Feuer; photographer, William Nobles; film editors, Edward Todd, William Thompson.
Appl. author: Republic Productions, Inc.
1. Return of the Copperhead.
2. Thirteen Steps.