The Drums Of Jeopardy (1931)

Starring Warner Oland, June Collyer, Lloyd Hughes, Clara Blandick, Hale Hamilton
Directed by George B. Seitz
(actor & director credits courtesy IMDB.com)

After discovering a member of the Russian royal family is responsible for his daughter's death, a maddened scientist pursues the family to America for revenge.

I liked this horror thriller, which has gained some fame for naming its villain Boris Karlov in an odd coincidence, as according to IMDB, the movie was released months before actor Boris Karloff's star-making performance in 1931's Frankenstein.  The film has its drawbacks, with few of the actors playing Russians being convincing as Russians, and I thought Oland's villainy could have been played up a little better.  However, it's still fun to watch, with some memorable imagery, and actress Clara Blandick is entertaining as a crotchety old woman with some funny lines.