Dan Curtis Prods. has tapped David Kennedy executive VP to help manage the company’s growing movie and TV production slate.Kennedy comes to Curtis Prods. from Pearson Television, where he was senior VP of programming. Before Pearson, Kennedy served as a senior veepee at Taft Entertainment and as an exec VP at ICM overseeing the agency’s TV operation in New York. Curtis Prods.’ slate for 1998 includes the theatrical “The Night Stalker,” based on the cult-fave 1970s TV series. Production is now under way in Virginia on “The Love Letter,” a telefilm set to air next year on CBS under the “Hallmark Hall of Fame” banner. Curtis also is developing a revival of the campy ABC serial “Dark Shadows” and a miniseries, “Journal of the Gun Years,” penned by Richard Matheson.