20th Century Fox/Everett Collection
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The M*A*S*H star died April 19 at 95. A military photographer, Arbus ran a fashion photography business with his wife, the famed photographer Diane Arbus, before getting into acting. He played psychiatrist Maj. Sidney Freedman on M*A*S*H and was so convincing that Alan Alda found himself opening up to Arbus on set. Arbus also appeared on Starsky and Hutch and Judging Amy. His last television appearance was on Curb Your Enthusiasm in 2000.