Overview: Ready When You Are, Mr. McGill is a feature length TV drama, written by Jack Rosenthal. ITV produced two versions, in 1976 and 2003. The 1976 version was the first in a series of six single television plays called "Red Letter Days" each of which showed the events in a single, special day in someone's life. The 2003 version was a remake which was partly rewritten by Rosenthal.