Dean Cain returns to Supergirl in Homecoming trailer Though another superhero will be getting a homecoming later this year, Supergirl‘s “Homecoming” premieres next week and The CW has released the first trailer for the episode, which sees the return of Dean Cain! Check it out in the player below. Set to air February 27, the episode is officially described as follows: “When Jeremiah Danvers (guest star Dean Cain) is rescued from Cadmus, Alex (Chyler Leigh) and Kara (Melissa Benoist) are thrilled to have their father back.