Which American stand-up comedian starred in  It's Only a Theory
Reginald D. Hunter Reginald Darnell Hunter (born 26 March 1969) is an American stand-up comedian based in the United Kingdom.
Ryan Hamilton (comedian) Ryan Hamilton is an American stand-up comedian who uses observational, sarcastic, and self-deprecating humor. He is known as a clean comedian and his material focuses on his own experiences, including his single life, skydiving, hot air balloons, and his huge smile. He was named one of "Rolling Stone"' s Five Comics to Watch in 2012, and also has made standout appearances on "The Late Show with Stephen Colbert", "Conan", "The Late Late Show", "Last Comic Standing", Comedy Central, and Showtime.