Mark of the Vampire (1935)
When a nobleman is murdered,
a professor of the occult blames vampires; but not all is what it seems.
Lionel Barrymore, Elizabeth Allan, Bela Lugosi
The Ghost (1963) A woman and her lover murder her husband,
a doctor. Soon, however, strange things start happening,
and they wonder if they really killed him, or if he is coming
back from the dead to haunt them.
Barbara Steele, Peter Baldwin.