 The crash left him without serious injuries, but he was speechless for several days, and apparently underwent a reassessment of his career, as he changed his career focus to Hollywood's lucrative screenwriting opportunities.McGuane entered a stage in his career when he became known as “Captain Berserko” and wrote screenplays for "Rancho Deluxe" (1973), shot in Livingston; "The Missouri Breaks" (1976), directed by Arthur Penn and starring Jack Nicholson and Marlon Brando; and self-directing a film adaptation of "92 in the Shade" (1975), starring Peter Fonda, Warren Oates, Margot Kidder and Harry Dean Stanton.The early 1970s included an affair with actress Elizabeth Ashley, his divorce from his first wife Becky, (who went on to marry Peter Fonda), remarriage to Margot Kidder, the birth of their daughter, Maggie, and his second divorce, all in less than a year.