Bill Mumy

Bill Mumy is an American actor and writer, best known for his roles as Will Robinson in Lost in Space and Lennier in Babylon 5. He is a friend of Ira Steven Behr.

He also wrote several Star Trek comics with Peter David, including "Great Expectations", "Tomorrow Never Knows" and "A Rude Awakening".

He also played a Star Trek character, Kellin, in the Star Trek: Deep Space Nine episode "The Siege of AR-558".

He gave an interview to the Star Trek: Deep Space Nine Companion, where he notes he only wanted to appear in Deep Space Nine as a Human, after wearing prosthetics many times on Babylon 5.