In the second outing of NAB's Mini-Legends campaign on Australian screens, a mini version of Essendon star Joe Daniher made an entertaining cameo.

Bombers supporter Jack thought he was on set auditioning to play the role of his hero, when he was surprised by Daniher himself to pass on the news he'd scored the role.

Here is how it went down in a classic behind-the-scenes:

In case you haven't caught the original ad, here it is: