Showing at The Ross June 21-July 4. Visit theross.org for tickets, show times, and more information. When 93-year-old Thelma Post (June Squibb) gets duped by a phone scammer pretending to be her grandson, she sets out on a treacherous quest across the city to reclaim what was taken from her. Richard Roundtree, Parker Posey, Clark Gregg, and Malcolm McDowell co-star in this charming and infectiously funny story of an unlikely action hero.