To illustrate the article and show the original cast of the play.
Not replaceable with free media because (WP:NFCC#1)
No public domain or free image could be substituted, because cameras are forbidden during performances of musicals, and all photos from them would be official and copyrighted.
This is a copyrighted image that has been released by a company or organization to promote their work or product in the media, such as advertising material or a promotional photo in a press kit.
The copyright for it is most likely owned by the company who created the promotional item or the artist who produced the item in question; you must provide evidence of such ownership. Lack of such evidence is grounds for deletion.
It is believed that the use of some images of promotional material to illustrate:
the person(s), product, event, or subject in question;
where the image is unrepeatable, i.e. a free image could not be created to replace it;
Additionally, the copyright holder may have granted permission for use in works such as Wikipedia. However, if they have, this permission likely does not fall under a free license.
Please note that our policy usually considers fair use images of living people that merely show what they look like to be replaceable by free-licensed images and unsuitable for the project. If this is not the case for this image, a rationale must be provided proving that the image provides information beyond simple identification or showing that this image is difficult to replace by a free-licensed equivalent. Commercial third-party reusers of this image should consider whether their use is in violation of the subject's publicity rights.
The image can be found on various websites as promotional press releases, and its use on Wikipedia does not make it significantly more accessible than it already is.
Fair useFair use of copyrighted material in the context of Great Britain (play)//en.wikipedia.org/wiki/File:Great_Britain_Cast_(play).jpgtrue
This image does not limit the copyright holder's ability to profit from the original source, nor will it dilute the importance or recognition of the logo in connection with its organization.
This image enhances the article in which it's displayed, as it provides an immediate relevance to the reader more capably than the textual description alone.