Did he have the line 'Bellshit, or what' in something?
We may never know the answer to these questions.
It could be someone else but his face springs to mind. He was mock host and said it instead of - true or false, you decide.
Sorry that was a quote from the video you asked about, and my attempt at humor in response to sad news. But you're right, he played the host of "BS or Not?" in the movie Amazon Women on the Moon: https://www.youtube.com/watch?v=N-9J2P4XZUo