For more than a decade, America gathered around the television to watch the doctors and nurses of the 4077th Mobile Army Surgical Hospital in “MAS*H” patch up wounded soldiers and each other’s broken spirits. The show, which ran from 1972 to 1983, wasn’t just a sitcom—it was a cultural phenomenon, blending heart, humor, and the harsh realities of war in a way that changed television forever.

But behind the scenes, life at the 4077th was more complicated than any script could capture.

A Family on Screen, A Challenge Off Camera

“MAS*H” brought laughter and tears to over 200 million viewers at its peak. The series finale, “Goodbye, Farewell and Amen,” remains the most-watched episode in U.S. television history. Audiences fell in love with Alan Alda’s quick-witted Hawkeye Pierce, Wayne Rogers’ charming Trapper John, and Loretta Swit’s unforgettable Major Margaret “Hot Lips” Houlihan.

Yet, as beloved as the show became, not all was harmonious off camera. Over the years, simmering tensions, creative disagreements, and the pressures of fame led to the departure of several key cast members—each with their own story.

Loretta Swit: The Heart of the 4077th

Born in Passaic, New Jersey, in 1937, Loretta Swit was destined for the stage. After years of theater, singing, and dancing, Swit landed the role that would define her career: Major Margaret Houlihan. Taking over from Sally Kellerman, who played the character in the original film, Swit made Houlihan her own—transforming her from a strict, one-dimensional officer into a complex, compassionate leader.

Swit was one of only four actors to appear in all 11 seasons of “MAS*H.” She became not just a fan favorite, but also a two-time Emmy Award winner, earning respect both on set and among viewers for her nuanced performances.

The Realities of Ensemble Fame

Despite the show’s success, the pressures of ensemble television were real. As Alan Alda’s Hawkeye became increasingly central—thanks in part to Alda’s growing role as a writer and director—other actors began to feel sidelined.

Wayne Rogers, who played Trapper John, left after three seasons, frustrated that his character was becoming secondary. “It lost its ensemble feeling,” Rogers later explained, noting that the show was evolving into “The Adventures of Hawkeye Pierce.” Despite his departure, Rogers and Alda remained friends—a testament to the professionalism that often prevailed behind the scenes.

McLean Stevenson, who brought warmth and humor to Colonel Henry Blake, also exited the series in search of new creative opportunities. In later interviews, Stevenson reflected on the bittersweet reality that audiences loved Henry Blake, not necessarily McLean Stevenson. His character’s off-screen death remains one of television’s most shocking moments.

Larry Linville, the actor behind the uptight Frank Burns, chose to leave after five seasons, feeling he had taken the character as far as he could. Linville was respected for his professionalism and willingness to move on rather than be typecast.

Gary Burghoff, who played the lovable Radar O’Reilly, departed in Season 8. Citing a desire to spend more time with his family and the exhaustion of playing a much younger character, Burghoff’s exit marked the end of an era for many fans.

Loretta Swit’s Candid Reflections

In interviews over the years, Loretta Swit was honest about the challenges of being one of the few women in a male-dominated cast. She fought for her character’s growth, pushing to make Margaret Houlihan more than just a comic foil. Executive producer Burt Metcalfe supported her, helping Houlihan evolve into a strong, multidimensional figure.

Swit also spoke openly about the emotional labor required to keep peace on set. While she rarely detailed the behind-the-scenes disputes, she acknowledged that “MAS*H” wasn’t always an easy environment. The departures of her co-stars were, in her words, “difficult but necessary”—each actor seeking new creative ground as the show’s focus shifted.

Despite these struggles, Swit never seriously considered leaving. She remained loyal to the series, even when denied outside opportunities, such as a lead role in “Cagney & Lacey” due to contractual obligations.

Beyond the 4077th: Swit’s Life and Legacy

Off screen, Loretta Swit lived with the same passion and purpose she brought to “MAS*H.” A devoted animal rights activist, Swit championed causes long before they were mainstream in Hollywood. She adopted a vegetarian, and later vegan, lifestyle out of principle and compassion.

Swit was also a talented needlepoint artist, publishing a book on her favorite patterns and techniques—a testament to her creative spirit beyond acting.

She married actor Dennis Holahan in 1983, though the marriage ended amicably after 12 years. Swit’s life was rich with friendships, activism, and artistic pursuits.

On May 30, 2025, Loretta Swit passed away at her New York City home, surrounded by the love of friends, family, and fans whose lives she touched. She was 87.

The Enduring Power of “MAS*H”

“MAS*H” remains more than just a television show. It’s a cultural touchstone—a series that dared to mix satire, heartbreak, and hope. The departures of beloved cast members mirrored the real-life changes and challenges faced by the actors, making the show’s themes of resilience and change all the more authentic.

Loretta Swit’s legacy, both on and off screen, endures. She was a pioneer—a fierce woman in a challenging environment, a champion for animals, and an artist who poured her heart into everything she did.

As fans remember “MAS*H” and the unforgettable characters who made it great, they also honor the people behind the roles—flawed, passionate, and profoundly human. In the words of Swit herself, “It wasn’t just a show about war. It was a show about change, about coming together, falling apart, and carrying on.”

And thanks to Loretta Swit and her fellow cast members, that story will never be forgotten.