The crossword solutions for the term I AM SAM STAR are DERN (4 letters) and PENN (4 letters). DERN is an acronym for the Directors Guild of America, which is a labor union that represents film and television directors in the United States. PENN is an acronym for the Screen Actors Guild-American Federation of Television and Radio Artists, which is a labor union that represents actors, announcers, broadcasters, journalists, and other media professionals in the United States.