Ronald Coleman always did like playing either two parts, or one with a dual-personality - and he does the latter very well indeed here. If you've a basic knowledge of Shakespeare's "Othello" the that helps a bit as he portrays an actor "Tony" who, after many year playing the title role with ex-wife "Brita" (Signe Hasso) - who is also his wife "Desdemona" in the play - is really beginning to become delusional about…