According to The Hollywood Reporter, the actors started dating this summer (15), and made their red carpet debut as a couple during the Creative Arts Emmy Awards earlier this month (Sep15), when Whitford picked up an Outstanding Guest Actor in a Comedy Series trophy.

Although the two are featured in the cast of the acclaimed transgender series, their paths have never crossed onscreen - Whitford's scenes have always been with fellow Emmy winner Jeffrey Tambor in flashbacks, while Landecker plays the daughter of Tambor's character in the present day.

Whitford was previously married to actress Jane Kaczmarek, with whom he has three children, while Landecker was married to musician Jackson Lynch.