Peter Venkman was a character portrayed by which American actor and comedian?
Peter Venkman: Peter Venkman, Ph.D., is a fictional character from the "Ghostbusters" franchise. Peter Venkman:  In both live action films, he was portrayed by Bill Murray, and was voiced in the animated series first by Lorenzo Music and then by Dave Coulier. Bill Murray: William James Murray (born September 21, 1950) is an American actor, comedian, and writer.
William James Murray