In 1970, Auberjonois began his run with Altman, playing Mulcahy in M*A*S*H* In his most famous exchange from the movie, Houlihan wonders how such a degenerate doctor as Hawkeye Pierce could reach a position of responsibility in the US Army. The following year he would play Sebastian Baye opposite Katharine Hepburn in Coco, a play on the life of designer Coco Chanel that would earn him a Tony for best actor in a leading role in a musical.