Given the question: Build a movie plot around this: Who plays Biergler's co-worker? Parnell McCarthy
The answer is:
In the Upper Peninsula of Michigan, small-town lawyer Paul Biegler (James Stewart), a former district attorney who lost his re-election bid, spends most of his time fishing, playing the piano and hanging out with his alcoholic friend and colleague Parnell McCarthy (Arthur O'Connell) and sardonic secretary Maida Rutledge (Eve Arden).One day Biegler is contacted by Laura Manion (Lee Remick), wife of the loutish US Army Lieutenant Frederick Manion (Ben Gazzara). The Lieutenant has been arrested for first degree murder, that of innkeeper Barney Quill. Manion does not deny the murder but claims that it was committed because his wife was raped and beaten by Quill.Even with such a motivation, it would be difficult to get Manion cleared of murder, so Biegler pushes him into a position where he claims to have no memory of the event, thus giving them a chance of winning his freedom on the grounds of "irresistible impulse", a version of a temporary insanity defense.As he sets about preparing his case, Biegler catches Laura Manion flirting with other army officers during a roadhouse party. He has to practically order her to stay away from "men, juke joints, booze, and pinball machines" and wear a girdle in order to play the part of a "meek little housewife" rather than that of a happy-go-lucky party girl. She also agrees to give up her tight-fitting clothes and wears a formal dress, glasses, a hat and a woman's suit in court.Biegler's folksy speech and laid-back demeanor hides a sharp legal mind and a propensity for courtroom theatrics that has the judge busy keeping things under control. However, the case for the defense does not go well, especially since the local D.A. (Brooks West) is assisted by a high-powered big city prosecutor named Dancer (George C. Scott). Furthermore, the prosecution goes all the way to block any mention of Manion's motive for killing Quill - the raping of Laura. Biegler eventually manages to get the rape issue into the record and Judge Weaver (Joseph N. Welch) agrees to allow the matter to be...