Robert Stack (January 13, 1919 May 14, 2003) was a multilingual American actor and television host. In addition to acting in more than 40 feature films, he starred in the 195963 television series The Untouchables and later hosted Unsolved Mysteries. Robert Stack was born Charles Langford Modini Stack in Los Angeles, California, but his first name (selected by his mother) was changed to Robert by his father. He spent his early childhood growing up in Europe. He became fluent in French and Italian at an early age, and did not learn English until returning to Los Angeles. Stack's parents divorced when he was a year old, and he was raised by his mother, Mary Elizabeth (ne Wood). His father, James Langford Stack, a wealthy advertising agency owner, died when Stack was nine. He always spoke of his mother with the greatest respect and love. When he collaborated with Mark Evans on his autobiography, Straight Shooting, he included a picture of him and his mother.
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