‘Memoir of a Snail’ Director Adam Elliot on the ‘Frustration’ That Led to His Latest Stop-Motion Marvel

It’s been 15 years since Australian filmmaker Adam Elliot’s last stop-motion marvel, “Mary and Max.” And his latest, “Memoir of a Snail,” couldn’t have arrived at a better time.

The new movie, like Elliot’s previous film, liberally mixes tragedy and comedy, following the life of Grace Pudel (voiced by “Succession” star Sarah Snook) as she endures countless missteps, including the estrangement of her twin brother (Kodi Smit-McPhee) and a disappointing love life. (The title comes from...