 He always sounds like Fred Flintstone every time, and that's just his voice. Yeah, he used his regular voice for Fred Flintstone. We're listening to the Richard Diamond Private Detective radio series called The Hank Burton Case from March 21, 1952. The great Dick Powell playing Richard Diamond. Virginia Gregg is his girlfriend, Helen Asher. And Virginia Gregg played the mom. She was the mom in Psycho.