Who Played Bill Austin in Mamma Mia!

Bill Austin is a role in Mamma Mia!, a musical that opened Broadway in 2025.

On the eve of her wedding, a daughter's quest to discover the identity of her father brings three men from her mother's past back to the island they had last visited decades ago. Songs including “Dancing Queen,” “The Winner Takes It All,” “Money, Money, Money,” and “Take a Chance on Me” are all featured in this feel-good celebration of love, family and friendship.