Which of these is not true of actor Robert Stack?

Robert Stack (born Charles Langford Modini Stack; January 13, 1919 – May 14, 2003) was an American actor and television host. His first name, selected by his mother, was changed to Robert by his father. He spent his early childhood in Adria and Rome, becoming fluent in French and Italian at an early age, and did not learn English until returning to Los Angeles when he was seven.

Stack was an avid polo player and shooter. His brother and he won the International Outboard Motor Championships, in Venice, Italy, and at age 16, he became a member of the All-American Skeet Team. He set two world records in skeet shooting and became national champion.

Stack took drama courses at Bridgewater State University. When he visited the lot of Universal Studios at age 20, producer Joe Pasternak offered him an opportunity to enter the business. Stack's first film, in which he starred with Deanna Durbin, was "First Love" (1939), produced by Pasternak. During World War II, Stack served as an officer in the United States Navy. He returned to acting after the war.

Stack was nominated for an Academy Award for Best Supporting Actor in "Written on the Wind" (1956) but lost to Anthony Quinn. Stack portrayed the crimefighting Eliot Ness in the ABC television drama series "The Untouchables" (1959–1963) for which he won the Prime Time Emmy for best actor in a drama series in 1960.