Actress Judy Davis is toplining two pics rolling in Toronto. They are David Cronenberg’s “Naked Lunch,” set for 20th Century Fox release in the U.S., and “On My Own,” a Canada-Italy- Australia co-prod being directed by feature first-timer Antonio Tibaldi. Davis is going from one to the other on different days, with some off time in between.

Also filming in Toronto is Touchstone’s “The Mrs., ” psychological thriller toplining Goldie Hawn and John Heard. Damien Harris directs.

Tuesdays are hot discount days in key Canadian cities, including Toronto and Montreal. Cineplex Odeon has a half-price $C4 tab ($3.44) for all pics at all theaters; Famous Players charges $C4.25 ($3.65) for all pics at all houses.

Former department store mogul Robert Campeau will be the subject of an unauthorized tv pic, a first-time co-prod between Canada’s indie CTV web and the National Film Board of Canada. Shooting is set for next year. Campeau, a Canadian real estate developer, went belly-up soon after his leveraged buyout of Bloomingdale’s and other U.S. holdings of Federated Dept. Stores.

Toronto-headquartered Baton Broadcasting, owner of nine indie web CTV affils, snagged “Jeopardy” and “Wheel Of Fortune” for two years, starting in fall 1992. “Wheel” has been on Ontario Global tv web and “Jeopardy” on CBMT Toronto. Both lead ratings in their early nighttime spots.

CTV web has picked up Granada Television Intl.’s six-hour mini “The Paper Man” in a deal with Granada’s exclusive Canadian rep, Toronto’s Ellis Enterprises. Mini runs on BBC-2 in the U.K. this summer.

Vancouver-based Beacon Group Prods., in association with Marian Rees Associates, has a deal with HBO to produce a tv pic, tentatively titled “The Margaret Gibson Story.” Peter Silverman will write the script.