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 "Delta Force"): The unit is tasked with specialized missions primarily involving hostage rescue and counterterrorism, as well as direct action and special reconnaissance against high-value targets. Delta Force and its maritime counterpart, the U.S. Navy's SEAL Team Six (also known as "DEVGRU"), are the U.S. military's primary counterterrorism units.
Relevant evidence: No