What actors and actresses appeared in The Fatal Hour - 1920?

You are likely thinking of the 1920 film "The Fatal Hour", a silent film starring Theda Bara, known as the "vamp" of early cinema.

Here's the cast:

* Theda Bara as Countess Zicka

* Edward Earle as Baron Von Doren

* William Stowell as Lieutenant Von Doren

* Frank Bennett as Von Helm

* Frank Lanning as Count Anton

* Mildred Harris as Countess Von Doren

* Frank Leigh as Inspector

* Sidney De Gray as Butler

* Marguerite Clayton as Maid

This film is considered lost, but it was a major hit in its day, contributing to Bara's enduring fame.