I've been a professional stunt man for 13 years.

There's a guy with a flame thrower there, giving me what for.

During that time, health and safety has become everything about my job.

Sometimes our cars get so crazy, they even do little stunts.

We brought Oxford Street and Tottenham Court Road to a standstill.

I'm extremely excited to be given the opportunity to come and speak to you today about what I consider to be the biggest stunt on Earth.

I'm a stunt coordinator. And as well as perform stunts

My favorite and a real hero of mine is Yakima Canutt.

That's one of the most dangerous horse stunts, certainly.

The president of Wonderland confessed to last night's stunt.

He worked with John Wayne and most of those old punch ups you see in the Westerns.

Now we've got technology. This thing is called an air ram.

This is a shot of Terminator, the movie.

And what they said was, the first thing they need immediately is virtual stuntmen.

What I'd like to do first is take you through a very brief helicopter ride of stunts and the stunts industry in the movies and in television, and show you how technology has started to interface with the physical skills of the stunt performer in a way that makes the stunts bigger and actually makes them safer than they've ever been before.

Being run over is never easy.

Dunlop asked me to do earlier this year with our Channel Five's Fifth Gear Show.

Helicopter stunts are always fun, hanging out of them, whatever.

In this case, they were using a real stunt man. It was a very dangerous stunt.

So with all this knowledge, I also wanted to get into stunts.

The picture in the bottom right hand corner there is of some crash test dummy work that I was doing.

So again, science helps us, and with the engineering too the modifications to the car and the wheel.

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I wouldn't say his stunt double.

I think it's a great challenge.

It's critical now that when a car crash happens it isn't just the stunt person we make safe, it's the crew.

She really paved the way at a time when nobody was doing stunts, let alone women.

This is a screen capture from Stagecoach, where Yakima Canutt is doing one of the most dangerous stunts I've ever seen.

Talking of dangerous stunts and bringing things slightly up to date, some of the most dangerous stunts we do as stunt people are fire stunts.

Something's gone wrong with the darned thing.

And I hope that you will agree with me, it is the greatest stunt on Earth.

Now you may think this is just a thrill seeking trip, a pleasure ride, just the world's biggest stunt.

Harold Lloyd here, hanging famously from the clock hands a lot of these guys did their own stunts.

There is no safety, no back support, no pads, no crash mats, no sand pits in the ground.