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"): It was directed by Menahem Golan and featured Martin Balsam, Joey Bishop, Robert Vaughn, Steve James, Robert Forster, Shelley Winters, George Kennedy, and an uncredited Liam Neeson in an early role.
Relevant evidence: Yes