In his book hollywood unknowns anthony slide delves into the early days of the film industry highlighting the big part extras bit players and stand ins actually played the author manages to convey the vibe of the film industry wonderfully well fills it up with well researched accounts and surprising tid bits all spruced up with photos showing extras at work. Extras bit players and stand ins have been a part of the film industry almost from its . Andhollywood unknownsdoes not forget the bit players stand ins and doubles who work alongside the extras facing many of the same privations celebrity extras silent stars who ended their days as extras or members of various ethnic groups all gain a deserved luster in acclaimed film writer anthony slides prose. Extras bit players and stand ins have been a part of the film industry almost from its . And hollywood unknowns does not forget the bit players stand ins and doubles who work alongside the extras facing many of the same privations celebrity extras silent stars who ended their days as extras or members of various ethnic groups all gain a deserved luster in acclaimed film writer anthony slides prose