Count Yorga, Vampire (1970)

Plot

Michael and Donna, along with Paul and Erica, find themselves drawn into the enigmatic world of Count Yorga during a séance in Los Angeles. Recently connected to Erica's deceased mother, the Count's influence soon becomes apparent. After bringing him home, Paul and Erica encounter mysterious events, culminating in Erica's alarming diagnosis of severe blood loss. As strange occurrences escalate, including Erica’s unsettling behavior towards the family cat, their doctor begins to suspect vampiric forces at play, with Count Yorga and his eerie mansion at the center of this chilling mystery.