Arnold Moss (January 28, 1910 – December 15, 1989) was an American character actor. His son was songwriter Jeff Moss.Moss made two memorable appearances in Bob Hope films, as Hope's Casablanca contact in the espionage spoof My Favorite Spy and as a conniving Venetian doge in Casanova's Big Night. He played Prospero in Margaret Webster's 1945 production of Shakespeare's The Tempest for a combined total of 124 performances, the longest run of the play in Broadway history.He played Dr.