A breakthrough role , also known as a breakout role ,  is a term in the film industry to describe the performance of an actor or actress in a performance which is a significant contributor to the development of their career and the beginning of critical recognition. A similar term, big break, indicate the occurrence for the performer, not the role itself. Such a moment in an actor’s career can often occur when they become more important. Often a breakthrough role is a significant increase in importance in the actor’s part in the film moving up from a minor character to a leading role, or a “high impact” role in a movie widespread recognition or popularity of the actor. Martin Shingler defines a breakthrough performance as “which attracts the attention of film critics,” and “nominated for a major film award.” 
Most of the top actors and actresses in Hollywood or in the world film industry can pinpoint such a landmark which marked the beginning of commercial success. For example, the Dollars trilogy marked the breakthrough role of Clint Eastwood and Dr. No in 1962 marked the moment in Sean Connery ‘s career, DESPITE HAVING Appeared in Both actors Several movies prior to this. James Mason’s breakthrough performance has been cited as “Lord Rohan’s” sadistic in The Man in Gray (1943).  Gideon’s Trumpet has been referenced as Lane Smith’s breakthrough role, despite being a television film, in which he played Henry Fonda ‘ s attorney.  Similarly, the BBC series Pennies from Heaven (1978) has been highlighted as the breakthrough of Bob Hoskins .  Brandon Lee’s final film The Crow (1994) has been cited as a breakout role.   Margot Robbie’s “big breakout role” came in The Wolf of Wall Street (2013) by “slapping Leonardo DiCaprio across the face”. 
Hollywood Life , the Teen Choice Awards , and several other awards for best “Movie Breakout” for both an actress and actor. [ quote needed ]
- Jump up^ Smith, Michael. “Breakout role revisited” . Retrieved 18 December 2011 .
- Jump up^ Squire, Jason E. (May 1, 2006). The Movie Business Book . McGraw-Hill Education (UK). p. 226. ISBN 978-0-335-22002-1 .
- Jump up^ Porter, Lynnette (3 June 2013). Benedict Cumberbatch, In Transition: An Unauthorized Performance Biography . Andrews UK Limited. p. 170. ISBN 978-1-78092-437-3 .
- Jump up^ Mayer, Geoff; McDonnell, Brian (January 1, 2007). Encyclopedia of Black Film . ABC-CLIO. pp. 280-. ISBN 978-0-313-33306-4 .
- Jump up^ Scivally, Bruce (3 October 2007). Superman on Film, Television, Radio and Broadway . McFarland. p. 124. ISBN 978-0-7864-3166-3 .
- Jump up^ Welsh, James Michael; Whaley, Donald M. (2013). The Oliver Stone Encyclopedia . Rowman & Littlefield. p. 104. ISBN 978-0-8108-8352-9 .
- Jump up^ Lott, Mr. Ray (January 1, 2004). The American Martial Arts Movie . McFarland. p. 123. ISBN 978-0-7864-1836-7 .
- Jump up^ Cettl, Robert (12 October 2014). American Film Tales . Lulu.com. p. 51. ISBN 978-1-312-56680-4 .
- Jump up^ “Leonardo DiCaprio to Snag Her Breakout Role in The Wolf of Wall Street ?!” . Eonline.com . Retrieved 9 May 2015 .