Man gets taken over by second head

In the winter of 1982, a twelve-man research team at a remote Antarctic research station discovers an alien buried in the snow for over 100,000 years. Soon unfrozen, the form-changing creature wreaks havoc, creates terror... and becomes one of them.

Scientists and US Air Force officials fend off a blood-thirsty alien organism while investigating at a remote arctic outpost.

Dr. Roger Girard is a rich scientist conducting experiments on head transplantation. His caretaker has a son, Danny, who, although fully grown, has the mind of child. One day an escaped psycho-killer invades Girard's home, killing Danny's father before being gunned down himself. With the maniac dying and Danny deeply unsettled by his father's death, Dr. Girard decides to take the final step and transplant the killer's head onto Danny's body.

A man discovers a head and finds out that whatever happens to the head, happens to him.

short story about a man whos splitted in several personalities

A rich but racist man is dying and hatches an elaborate scheme for transplanting his head onto another man's body. His health deteriorates rapidly, and doctors are forced to transplant his head onto the only available candidate: a black man from death row.