I was doing a podcast interview not too long ago, and the host caught me off guard with a question I don’t usually get.

We were talking about MAS*H, of course.

Usually, people want to know about the finale, or the politics of the show, or what it was like to write and direct some of the heavier episodes.

But this host leaned into the microphone and asked about the physical toll of filming the operating room scenes.

They wanted to know if the claustrophobia we showed on screen was real.

I had to laugh, because it was absolutely real.

Those O.R. scenes were grueling.

We would film them for days at a time.

The studio lights were incredibly hot, and we were standing there under all those heavy surgical gowns, the rubber gloves, and the face masks.

You were essentially trapped in a small, stifling space for ten or twelve hours at a stretch.

It was physically exhausting, but the masks gave us a very unique advantage.

From the nose down, we were completely invisible to the camera.

That meant you could whisper, you could make strange faces, and most importantly, you could plot.

Wayne Rogers and I realized very early on that if we were going to survive those long O.R. days without losing our minds, we had to find ways to entertain ourselves.

And our favorite source of entertainment was Larry Linville.

Larry played Frank Burns, and he was the absolute opposite of Frank in real life.

He was a sweet, gentle, incredibly professional actor.

He took his job very seriously, which meant he was the perfect target for a prank.

One afternoon, we were setting up for a very tight, dramatic close up on Larry.

He had to deliver this rapid fire, highly technical medical monologue while pretending to operate.

The camera was positioned just over his shoulder, focused entirely on his eyes and his hands.

Wayne and I were positioned right across the table from him, completely out of the frame.

We made eye contact, and we knew exactly what we had to do to break his concentration.

The director called action, and Larry launched into his dialogue perfectly.

And that’s when it happened.

I slowly reached my hand under the surgical drapes covering the fake patient on the table.

Wayne saw what I was doing and immediately followed suit.

While Larry was staring down at the incision, intensely barking out medical jargon, Wayne and I were working blindly beneath the table.

First, I found the bottom of Larry’s surgical gown.

I carefully started untying the strings that held it closed around his waist.

Wayne went lower.

He reached all the way down to the floor and started untying Larry’s shoelaces.

Now, you have to understand the sheer willpower of Larry Linville.

He realized exactly what was happening within seconds.

I could see his eyes widen just a fraction over his surgical mask.

A normal actor would have swatted our hands away, or stopped the scene, or at least stumbled over a line.

Not Larry.

He kept his eyes locked on the fake patient, his voice dripping with that signature Frank Burns arrogance.

He was delivering medical terms flawlessly while I was actively unbuckling his belt.

It became this incredible, silent battle of wills.

Wayne and I were trying as hard as we could not to laugh, which is difficult when you are crouched over an operating table trying to silently dismantle another man’s wardrobe.

We had his belt undone, the zipper down, and the gown completely untied.

I remember looking at Wayne, and we were both sweating from the sheer effort of keeping quiet.

We had moved on from the pants.

Wayne was now trying to tie the loose shoelaces of Larry’s left shoe to the heavy metal leg of the operating table.

I was trying to figure out if I could somehow attach the back of his unbelted trousers to a nearby surgical tray without making a sound.

We were operating with the precision of actual surgeons, just with incredibly malicious intent.

Larry was holding his pants up purely by flexing his leg muscles.

The tension in the room was unbelievable, but Gene Reynolds, our director, had absolutely no idea what was happening.

He was staring at the monitor, mesmerized by Larry’s intense performance.

But the camera crew knew.

The camera operator had a clear view of our shoulders shaking as Wayne and I tried to suppress our laughter.

I looked up, and the operator was biting his lip so hard he was turning red.

The heavy camera actually started to shake slightly because the operator was laughing silently along with us.

The poor script supervisor was trying to make notes for continuity, but her pages were shaking in her hands.

Larry hit his final mark.

He delivered the last line of his monologue with absolute, unshakeable perfection.

He didn’t miss a single syllable.

Gene Reynolds shouted cut from the back of the room, completely thrilled with the take.

He started to say how brilliant it was, but he never finished his sentence.

Because the moment Gene said cut, Larry relaxed his legs to step away from the table.

His pants immediately dropped all the way to his ankles.

The surgical gown fluttered open.

Because Wayne had tied his shoelace to the table, Larry tripped forward and almost went down.

He was just standing there in the middle of the operating room, completely undone.

There was a split second of total silence.

Gene stared at him in utter confusion from across the set.

Then, Wayne let out a gasp of laughter, and the entire room just exploded.

The camera operator had to walk away from his rig because he was laughing so hard he couldn’t stand up.

Gene was laughing so much he had to sit down on a prop box.

The lighting guys up in the rafters were laughing so loudly that the sound mixer had to take his headphones off.

Wayne and I were practically on the floor.

Larry didn’t panic.

He didn’t shout at us.

He just slowly bent down, pulled his pants back up, secured his belt, untied his shoe from the table, and looked Wayne and me dead in the eye.

“You guys are absolute children,” he whispered, but he had this tiny, proud smirk on his face.

He knew he had won.

He had beaten us at our own game by refusing to break character.

It took us nearly twenty minutes to calm down enough to even think about resetting the lights.

We tried to shoot the next sequence three different times, but every time Larry approached the operating table, someone would start giggling.

It turned into this massive running joke for the rest of the series.

Any time an actor had a long speech in the O.R., they would instinctively keep one hand near their belt just in case Wayne or I were nearby.

Looking back on it now, it sounds like such a childish prank.

But when you are working those kinds of hours, dealing with heavy material in a fake war zone, you have to find the joy wherever you can.

Laughter was our survival mechanism.

It kept the energy alive, and it bonded us in a way that I don’t think any of us fully understood at the time.

Those silly, chaotic moments beneath the operating table were the glue that held the cast together.

It makes me wonder about other workplaces.

What is the most ridiculous thing you and your coworkers have ever done to get through a long, stressful day?