
Robert Arthur (born Robert Paul Arthaud; June 18, 1925 – October 1, 2008) was an American motion picture actor who appeared in dozens of films in the 1940s and 1950s. He appeared in the 1949 war film Twelve O'Clock High as the comic relief–providing Sgt. McIllhenny, in the 1951 Billy Wilder film Ace in the Hole, and in the 1950s television program The Lone Ranger. Arthur was known for playing youthful teenage or young adult roles. In his later years, Arthur became an activist for gay rights on behalf of senior citizens. He died in Aberdeen, Washington in 2008, aged 83.

Full House
TV • 1987

Matinee Theater
TV • 1955

Gomer Pyle, U.S.M.C.
TV • 1964

Telephone Time
TV • 1956

Frontier
TV • 1955

Mildred Pierce
MOVIE • 1945

Ace in the Hole
MOVIE • 1951

Yellow Sky
MOVIE • 1948

Twelve O'Clock High
MOVIE • 1949

Night and Day
MOVIE • 1946

Top of the World
MOVIE • 1955

Nora Prentiss
MOVIE • 1947

Hellcats of the Navy
MOVIE • 1957

Take the High Ground!
MOVIE • 1953

The System
MOVIE • 1953

Young Bess
MOVIE • 1953

The Ring
MOVIE • 1952

September Affair
MOVIE • 1950