SOS Coast Guard
An internationally-notorious criminal scientist returns to the US to sell his latest invention, a disintegrating gas, to a foreign power. When he arrives, however, he is spotted by a young Coast Guard man, whom he kills - and thus earns the enmity of the entire US Coast Guard, but especially the murdered Guardsman's older brother who, together with his reporter-girlfriend and her comical photographer, vigorously sets to tracking him down and interfering with his plans to develop the city-melting gas in quantity. A Republic Serial in 12 Chapters.An internationally-notorious criminal scientist returns to the US to sell his latest invention, a disintegrating gas, to a foreign power. When he arrives, however, he is spotted by a young Coast Guard man, whom he kills - and... Read more
Starring Bela Lugosi, Ralph Byrd, Maxine Doyle, Richard Alexander, Lee Ford, Herbert Rawlinson, John Picorri, Allen Connor, Thomas Carr, Lawrence Grant
Watch "SOS Coast Guard" on Amazon released in 1937. It's a science-fiction and action & adventure movie, and has a rating of 5.9 out of 10 from Imdb which is fairly okay for this kind of movie, and is currently only available for purchase or rent.