actor 指在舞台剧、电影、电视剧或广播剧中以演出为职业的男演员，侧重扮演的角色。
player 侧重指职业或业余舞台演员。
performer 使用广泛，不仅可指舞台或影视演员，而且可指舞蹈演员、乐器演奏等的演员，侧重在观众面前的实际表演。
参考例句
1. The player hit the ball with speed. 那位选手迅速地把球击回去。
2. He is a football player from Britain. 他是英国的一个足球运动员。
3. Chooses which player begins the next game. 选择开始下一场游戏的玩家。
英英解释
n.
1. a person who participates in or is skilled at some game
2. someone who plays a musical instrument (as a profession)
3. a theatrical performer
4. an important participant (as in a business deal)
