填actor 是正确的,翻译为 “谁见过著名男演员Jake Dean?”
act表演,actor 男演员,actress 女演员.on my next day off ,I want to go ()(climb)with my friends填写 climbing，类似词组比如 go swimmimg去游泳，go shopping去购物，go fishing去钓鱼。
是go + 动词ing形式。

满意请采纳！！