Healthy eater: Martine cuts a slimmer figure in the television advert for Activia yoghurt going from blonde to fiery redhead. Aug 02, · The commercial I' m Who is the girl in the activia commercials? Who is the redhead in the activa commercials? · 3 years ago. ukrainianblog.info: Resolved. Mar 30, · I can't place the girl in the Dannon, DanActive yogurt commercial. What TV show was she on? Didn't she play someone's daughter?Status: Resolved.