Joan Bennett FindsTV, Movies* DifferentBy ROBERT MUSEtNEW YORK (UPI) -Joan -Bennett was a star in the great . days of Hollywood when the journey to the studio was a leisurely limousine ride from a mansion to a dressing room the size of a luxury hotel suite.There were flowers from the producer, the support of a small army of aides from secretaries to dialogue coaches and, if one cared for that sort of thing, a caviar and champagne lunch with such co-stars as John Barrymore, Spencer Tracy. Ronald Coleman or Gregory Peck.'DARK SHADOWS'That was the Hollywood one would , not blame Miss Bennett for recalling wistfully as she toils away the long hours in a studio on a dingy street in Manhattan in AEC-TV’s daytime serial, “Dark Shadows.”She is one of its most important featured players.The economics of the world of the daytime, serial permit of no cosseting. It is hard work. And Miss Bennett, still slim and elegant, was discovered in a tiny dressing room just off the ingenious set of what ABC calls “the first television program styled in the tradition of the gothic novel.SEEKS COOL PLACE“Bet’s find some place that's nir-conrli tinned,” she said.Later, in one of the him!h's m which sponsor's watch the programs, she talked with-considerable good humor about | her involvement in ‘'Dark Shadows” and the toughschedule which, being a good trouper, she is learning to live with.. • “It was frantic at first,” she said, with a smile thatsmoothed the years. 4‘I wasreally desperate the first few weeks. I thought I’d die. I was fighting with my agent for getting me into all this. But now its simmered down.”In “Dark Shadows” Miss Bennett (the eighth generation of one of our most famous acting families) plays Elizabeth Stoddard Collins, mistress of the great stone mansion at the center of much of the mystery and menace of the program.“One day's work in this ‘role is about the equal of three days vujik in Hollywood.’’ she said. Listen In this schedule: We arrive at 8:30 a.m. And we go to lunch —lunch, mind you —at 10:30 a.m.l Mine is usually a container of soup from a vending machine. We report back at the set at 11:30 a.m.“Then we start taping the show. Andsas soon as we finish the taping we start rehearsing for tha next day’s episode.”