(c)"film artist" means any person engaged in his professional capacity in the production of a cinematograph film whether produced by him or by any other person, as-(i)an actor;(ii)a cameraman;(iii)a director, including an assistant director;(iv)a music director, including an assistant music director;(v)an art director, including an assistant art director;(vi)a dance director, including an assistant dance director;(vii)an editor;(viii)a singer;(ix)a lyricist;(x)a story writer;(xi)a screen-play writer;(xii)a dialogue writer; and(xiii)a dress designer.