M*A*S*H (TV series) the "regular Army" characters, such as Margaret Houlihan and Colonel Potter, who tend to represent patriotism and duty (though Houlihan and Potter could also represent the other perspective at times). Other characters, such as Col. Blake, Maj. Winchester, and Cpl. Klinger, help demonstrate various American civilian attitudes toward army life, while guest characters played by such actors as Eldon Quick, Herb Voland, Mary Wickes, and Tim O'Connor also help further the show's discussion of America's place as Cold War warmaker and peacemaker. "M*A*S*H" maintained a relatively constant ensemble cast, with four characters – Hawkeye, Father Mulcahy, Margaret Houlihan, and Maxwell
Alan Alda left the series, Alda gained increasing control, and by the final seasons had become a producer and creative consultant. Under his watch, "M*A*S*H" retained its comedic foundation, but gradually assumed a somewhat more serious tone, openly addressing political issues. As a result, the 11 years of "M*A*S*H" are generally split into two eras: the Larry Gelbart/Gene Reynolds "comedy" years (1972–1977), and the Alan Alda "dramatic" years (1977–1983). Alda disagreed with this assessment. In a 2016 interview he stated, "I don't like to write political messages. I don't like plays that have political messages. I do not think I am responsible