It’s hard to imagine a childhood withoutWilly Wonka & the Chocolate Factory.

But one has to wonder: Would the film have become iconic if someone else had played Willy Wonka?

Believe it or not, that actually might have happened if not for one key agreement during casting.

The 40th anniversary DVD of “Willy Wonka and the Chocolate Factory”

How quick and sharp and full of life!

Oh, my God.

Willy Wonka is crippled.

Gene Wilder signs copies of his book

‘And I walk slowly and you’ve got the option to hear a pin drop.

And my cane gets stuck in a brick.

And I meant it."

Wilder’s instincts, as it turns out, were right on target.

The scene remains imprinted in audiences’ minds and helped establish the comedian as a star.