Explore the full Song Sung Blue cast including Hugh Jackman and Kate Hudson as real-life Neil Diamond tribute duo Lightning & Thunder, plus every character and actor in this true-story musical drama.

Did you spot all the famous faces in "Marty Supreme"? Here we break down the entire cast and cameos.

Here's a guide to the colorful characters of "Marty Supreme," from Timothee Chalamet and Gwyneth Paltrow to Kevin O'Leary, ...