电影微笑圈由中国传媒大学硕士生导师蒲剑担任导演，在拍摄、放映过程中，充分体现社会公益性。著名歌手林依轮，影视明星霍思燕、王璐瑶，体育明星桑兰、澳门歌手黄伟麟以及北京交通广播一路畅通主持人王佳一、北京电视台直播北京主持人聂一菁等奥运志愿心乐团明星团员都以志愿者的身份积极参与影片演出，生动展示了社会各界参与奥运志愿服务的巨大热情。同时，影片还邀请了大学生、外国朋友、残疾人、老年人、小学生等社会各界普通志愿者代表参与影片拍摄，充分展现了广大志愿者的时代风采。
该片紧密结合北京奥运会时代背景，以奥运志愿五色“微笑圈”内涵作为结构影片故事的链条，通过幽默诙谐的表现形式和创意新颖的叙事，讲述了社会各界群众积极参与志愿、努力贡献奥运的感人故事。
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