who is kate's boyfriend on this is us
List of This Is Us characters Toby Damon, portrayed by Chris Sullivan is Kate's fiancÃ©[6] Toby was born in Palm Springs, California.[6] Toby began dating Kate after they met at a weight-loss support group.[4] Toby is confident with his own body although obese, and encourages Kate to have better self-esteem. He was previously married to a woman whom Kate views as beautiful and successful, but who treated him badly. Toby gained 90 pounds in the first year after his divorce.[26]