AT&T March Madness Guarantee Guys: Connections Commercial Actor

By Carmichael Phillip

    • AT&T March Madness Guarantee Guys: Connections Commercial Actor

    Who is the actor in the AT&T Guarantee Guys Connections commercial?

    (By Carmichael Phillip)

    Quick Summary: The actor in the AT&T “March Madness: Guarantee Guys: Connections” commercial is Blake Griffin. The former NBA star appears as part of AT&T’s basketball-themed Guarantee Guys campaign.

    Quick Facts

    • Commercial: AT&T “March Madness: Guarantee Guys: Connections”
    • Featured talent: Blake Griffin
    • Brand: AT&T
    • Theme: March Madness / basketball / AT&T Guarantee

    • Who Is in the AT&T Guarantee Guys Connections Commercial?

    The featured performer in the commercial is Blake Griffin. Griffin’s mix of basketball fame and comedy experience makes him a strong fit for a March Madness campaign.

    The “Guarantee Guys” concept gives AT&T a recurring ad format that can be reused across several spots while keeping the same recognizable personality at the center.

    • Why Blake Griffin Works in Commercials

    Blake Griffin has long been comfortable in humorous ads. His dry delivery and willingness to play exaggerated versions of himself make him more than just a sports cameo.

    That helps the AT&T commercial feel like a short comedy scene rather than a simple celebrity endorsement.

    • FAQ

    Who is in the AT&T Guarantee Guys Connections commercial?

    The commercial features Blake Griffin.

    Is this a March Madness commercial?

    Yes. It is part of AT&T’s March Madness-themed campaign.

    Carmichael Phillip is a managing editor of Acting Magazine. In addition to editing, Mr. Phillip is a writer, coordinator and creative director.

    AT&T Commercial Actors

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    AT&T Wireless Remi’s Rehearsal Commercial Actor
    AT&T Wireless Orlando: Golf Commercial Actor
    AT&T Wireless March Madness: Free Throw Commercial Actors
    AT&T March Madness Guarantee Guys: Connections Commercial Actor
    AT&T Commercial Actors (Full Breakdown 2026)

     

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