Frances Tomelty (Carol) was married to rock star Sting from 1976 to 1984.
Sharon and Rob made a specific effort to bring back all the major recurring characters for the final season of "Catastrophe" so the audience would have closure on all their storylines.
Irish actress Eileen Walsh, who plays Kate in all four seasons of "Casualty," won Best Actress awards from the Tribeca Film Festival and the IFTA (Irish Film and Television Awards) for her role in "Eden" (2008).
William Gaminara (Stephen) is also a writer who won the Writers' Guild of Great Britain Award for his work on the drama series "This Life" in 1997.
William Gaminara, who plays Stephen, and Frances Tomelty, who plays Carol, both appeared in multiple episodes of the long-running drama series "Casualty," but never at the same time.