The phrase "juicy role" refers to an interesting and enjoyable acting role that offers a lot of excitement, complexity, or opportunities for an actor. Full definition
Since that coming - of - age tale opened in 2009, she's been picking up one juicy role after another. (slashfilm.com)
But with his superb work as Harvey Pekar in the biopic American Splendor, Giamatti proved he could carry the lead, too, and his breakthrough there led to even juicier roles in films like Sideways, Cinderella Man (which earned him a Best Supporting Actor Oscar nomination), Lady In The Water, The Illusionist, and the title role in the HBO miniseries John Adams, which swept the Emmys and earned him a Best Actor prize. (film.avclub.com)
Handed the potentially juicy role of young Anakin Skywalker (Darth Vader to you and me) he had all the charisma of a mannequin. (independent.ie)