David McMahon was born on December 11, 1910 in New York City, New York, USA. He was an actor, known for 异形征服世界 (1956), Cavalcade of America (1952) and Rescue 8 (1958). He was married to Dorothea McMenamin. He died on January 27, 1972 in Pasadena, California, USA.
Was drafted into the US Army on his honeymoon in 1943.
Sang in the US Army band.
Is the only actor to appear in both of the landmark science fiction films of 1951, The Thing From Another World and The Day the Earth Stood Still.
Appeared without billing in many classic science fiction films of the Fifties.