David Groh was an actor who played the ghost of the one-armed man and the hangman's assistant in Dark Shadows. He later became famous for his role as Joe Gerard in the 1970s television series Rhoda.
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David Groh was an actor who played the ghost of the one-armed man and the hangman's assistant in Dark Shadows. He later became famous for his role as Joe Gerard in the 1970s television series Rhoda.