Phantom From Space (1953)

From IMDb: An alien being lands in Santa Monica. Killing two people who attacked him due to the menacing appearance of his spacesuit, the creature takes it off while being pursued by government authorities, revealing himself to be invisible.

Plot
Federal Communications Commission (FCC) investigators arrive in the San Fernando Valley after what appears to be a UFO crashes, causing massive interference with teleradio transmissions. During their investigation they receive witness reports of what appears to be a man dressed in a bizarre outfit. Their investigation uncovers that this is a being from outer space who is invisible. They start a massive manhunt, causing a public panic over the invisible alien running loose.
Cast
Ted Cooper as Lt. Hazen
Tom Daly as Charlie
Steve Acton as Mobile Center Dispatcher
Burt Wenland as Agent Joe
Lela Nelson as Betty Evans
Harry Landers as Lt. Bowers
Burt Arnold as Darrow
Sandy Sanders as First Policeman
Harry Strang as Neighbor
Jim Bannon as Desk Sgt. Jim
Jack Daly as Joe Wakeman
Michael Mark as Refinery Watchman
Rudolph Anders as Dr. Wyatt