
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.

as Mr. Boyle / Mr. Santacroce

as the Police Lieutenant

as the Reporter

as Uncle Arthur

as (non-sexual)

as Mr. Hays

as Frankie

as Jerry Coltrin

as Freddy Warren

as Lonny Kesh

as Skippy McGuire

as Porter

as Donald Quentin Dover IV

as Barnaby

as Rex Merrick

as Jerry Blake

as Billy Smith

as Frank Gilbreth

as Larry Lindsay

as Herbie Cook

as Walt Carver

as David Lawrence Jr.

as Sergeant McIllhenny

as Harold - College Boy in 'Heart of a Co-Ed'

as Beaumont Jackson

as Bull Run

as Ken McLaughlin

as Bob Clarkman

as Tour Guide (uncredited)

as Gregory Talbot

as Todd Powell

as Harry Townsend

as Bellhop (uncredited)

as Customer (uncredited)

as Jimmy

as Hotel Boy

as High School Boy (uncredited)

as Frankie at 17