It’s also extremely difficult to achieve if your media agency is intimidated by a star’s entourage, or the talent has to uncomfortably discuss the concept with someone who’s never shared their spotlight.

Almost a quarter century ago, Josh Duhamel was an extra in Christina Aguilera’s “Genie in a Bottle” video. Roughly two decades ago, he won a Daytime Emmy for his work on the soap opera All My Children before playing the title role in Win a Date With Tad Hamilton.