The answers are in bold below.
- Radar O’Reilly—Gary Burghoff played Corporal Walter Eugene Radar O’Reilly in both the film and television series. It was only on TV that he had this full name as he is known simply as Radar in the film. Hot Lips was played by Sally Kellerman in the film and Loretta Swift on TV; Trapper John was played by Elliott Gould (film) and Wayne Rogers (TV).

Theatrical release poster for the 1970 black comedy–war film M*A*S*H. The caption “M*A*S*H Gives a Damn” refers to the Ratings Administration taking issue with the film’s frequent use of the word.
[Image Wikipedia] - Three—the Korean War lasted from 1950 to 1953.
- Benjamin Franklin Pierce—Hawkeye (Alan Alda in the TV series), a central character in the MASH series, is known for his medical expertise, humour, heavy drinking and womanising ways. He becomes the Chief Surgeon early in the first season. Donald Sutherland played Hawkeye in the 1970 film. It is a quote from Hawkeye that provides the title of this post—Life, Liberty and the Pursuit of Happy Hour.
- Mobile Army Surgical Hospital—Mobile Army Surgical Hospitals were U.S. Army field hospital units operational from the Korean War to the Gulf War. Each MASH unit had 60 beds and provided support to army units of 10,000 to 20,000 soldiers, with a low mortality rate due to shorter transportation times.
- Jamie Farr—Maxwell “Max” Klinger, an Arab-American orderly in the 4077th MASH unit, initially attempts to gain a Section 8 discharge by cross-dressing and engaging in eccentric behaviour. After becoming the company clerk, he abandons these antics and later marries Soon Lee Han, a Korean refugee, choosing to stay in Korea to help her find her family. In AfterMASH, they move to the US, facing challenges that lead Klinger to bookmaking and eventual employment at a veterans’ hospital.
- 4077th—loosely based on the historic 8055th MASH unit.
- Father John Mulcahy—a Catholic priest and US Army chaplain, serves at the 4077th. He is known for his compassionate nature, boxing skills, and ecumenical approach to religion. Despite his unshakable faith, he struggles with the importance of his role compared to the doctors’ life-saving abilities. Appearing in the novel, film and television series he is played by René Auberjonois (film) and William Christopher on television with the exception of the pilot episode when George Martin had the role.
- Suicide is Painless—is a song from the 1970 film M*A*S*H, performed by characters and The Ron Hicklin Singers. It was composed by Johnny Mandel with lyrics by Mike Altman (the directors 15-year-old-son). The instrumental version became the theme music for the TV series.

Cover of MASH, by Richard Hooker. 1969 edition, Pocket Books [Image Wikipedia] - Richard Hooker—the pseudonym of Hiester Richard Hornberger Jr., who authored the novel MASH based on his experiences as a surgeon with the 8055th MASH during the Korean War. The novel was adapted into the successful film and television series.
- Amen—Goodbye, Farewell and Amen
