Netflix Inc. NFLX, -3.71% is in talks with several external candidates to oversee an ad-supported version of its streaming service, according a Wall Street Journal report. The company has interviewed candidates that include Pooja Midha, chief growth officer of Comcast Corp.'s CMCSA, -1.68% advertising unit, and Peter Naylor, Snap Inc.'s SNAP, -5.55% vice president of sales for the Americas and a former Hulu executive, according to people familiar with the matter.