Daymond John from “Shark Tank” was spotted dining at GEM Restaurant & Lounge on Saturday night. Celtic Avery Bradley, meanwhile, ate at another Ed Kane hot spot, Red Lantern. . . . Actor Ken Howard, of “30 Rock,” “The White Shadow,” and the Screen Actors Guild, who’s in town to shoot “The Judge,” was spotted at Strega Waterfront. . . . Actors Dax Shepard and Kristen Bell were seen in Harvard Square . . . Actress Frances McDormand was spotted on Cape Ann.