old movie about something mysterious on a mountain in black and white

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

Sean Anderson partners with his mom's boyfriend on a mission to find his grandfather, who is thought to be missing on a mythical island.

Littlefoot and his friends the gang in their next when a swarm of leaf gobblers had destroyed their homes and this forces them to find a new home but yet find an mysterious island.

A botanical expedition to the Himalayas captures a Yeti and brings it back alive to Los Angeles, where it escapes and runs amok, seeking food.

When contestants at a way-cool snowboarding contest are suspiciously sidelined, Scooby-Doo and the kids investigate - and discover a chilling fact that There's No Creature Like Snow Creature! In A Scooby-Doo Christmas, Scooby-Doo and crew set out to melt the ferocious Frosty and save the day. And finally, a ski vacation turns into a scarefest when Scooby and Shaggy meet up with the ghost of an abominable snowman. To find out it's all a snow job, the entire gang hits the slopes in search of clues in That's Snow Ghost.

In this interesting little drama we are brought in contact with a man who is one of the highly respected citizens of a little mountain village, while in reality he is living a Dr. Jekyll and Mr. Hyde existence. We see him leave his home and go on his way up into the mountain to hunt. When he reaches a remote part in the forest he takes a black cape and mask from under a rock and puts them on, thus concealing his identity.