As per other posts, all the jokes have been done so save them for Christmas. Serious opportunity if you fit the bill - note size requirements for the July shoot. But if you have the background and are a shrimp like me - apply anyway 'cos they will be interested .
Professional agency, good reputation - founded by two guys from Light Dragoons so if you are ex-LD and live in the Cardiff area, give them a ping.
Services To Film - Casting Veterans Serving personnel fine, but you must get permission from your Chain Of Command
Or do not.
There is no 'try'