The Lyric cast featured Liam Redmond, John Moffatt, Rex Garner, Ronald Lewis, Bill Owen, John Colicos, Bill Travers, George Rose, Peter Bayliss, Duncan Lamont, Hugh Goldie and Harry Towb.
[4] Peterson moved to London in 1951 and wrote a stage version, The Square Ring, over a three-month period.
[5] Quayle was going to put it on himself but then accepted another theatrical tour of Australia so he passed it to H. M. Tennents, the London theatre agency, who agreed to produce it.
[6] After several weeks of rehearsal, the play premiered in Brighton in September 1952 with a mostly male cast but one female, the wife of the central character.
The running time of the play is exactly the period it would take a boxer to arrive in his dressing-room, to wait for his bout, and to complete his fight.