Mark Of The Vampire (1935) - A Certain Thorny Weed

Lionel Barrymore (Professor Zelin) taking over treatment of vampire-bitten Irena (Elizabeth Allen), while her guardian the Baron (Jean Hersholt) tells the inspector (Lionel Atwill) that her dad may not be dead, then ensuing chatter, in director Tod Browning's Mark Of The Vampire, 1935.