Mike Kellin was an American actor who was born on April 26, 1922 in Hartford, Connecticut. After serving as a Lieutenant Commander in the Navy during World War II, Kellin studied acting and playwriting at the Yale School of Drama. His monotone voice and coarse face led him to being typecast as tough guys and loners. He was featured in several television and film roles as well as over 50 plays, winning an Obie Award for his role in American Buffalo. While working on the stage, he was also featured in the 1966 production of The Odd Couple as Oscar Madison. Kellin's first film role was in At War With the Army in 1950. He followed that up with several television roles in such shows as Naked City, The Twilight Zone and Lost in Space. He was also featured in Midnight Express (1978) and The Jazz Singer (1980) with Neil Diamond. Kellin's final role was in the cult slasher film, Sleepaway Camp (1983). He passed away in 1983 after a battle with lung cancer.