Question: What is the name of the American entertainer that was born as Joseph Gottlieb and featured in the film based on the real life U.S. Army Delta Force unit?
Sentence (from "The Delta Force"): The Delta Force is a 1986 Israeli-American action–thriller starring Chuck Norris and Lee Marvin (in his final film appearance) as leaders of an elite squad of Special Forces troops based on the real life U.S. Army Delta Force unit.
Relevant evidence: No