Bernie Kopell (born June 21, 1933 in New York City) is a television actor who portrayed Siegfried in Get Smart, Jerry Bauman in That Girl, Louie Pallucci in "The Doris Day Show", and Dr. Adam Bricker in The Love Boat. He also played several characters on the hit sitcom Bewitched most notably in episode # 239, The Warlock in the Gray Flannel Suit. He had a cameo as a patient in the Scrubs episode, My Friend the Doctor.