Crossword Puzzle Kind of film artist

Clue: Kind of film artist

Kind of office machine (ADDING with 6 letters)
Top box-office film star: 1943 (BETTYGRABLE with 11 letters)
Kind of office (e.g. BOX with 3 letters)
Kind of offering (e.g. BURNT with 5 letters)
United Artists cofounder whose first feature-length film was "The Kid" in 1921 (CHARLIECHAPLIN with 14 letters)
Kind of artist (e.g. CON with 3 letters)
Bad kind of artist (CON with 3 letters)
Kind of film (e.g. CULT with 4 letters)
Kind of film or hero (CULT with 4 letters)
Kind of promotional ring once offered by Ovaltine (DECODER with 7 letters)