anyone else=?

any other people

else
adj.
[常接于疑问代词或不定代词之后]另外的, 其他的, 别的

somebody else
另外一个人, 别人
somebody else's cup
别人的杯子
Who else's? (= Whose else ?)
另外什么人的呢?
What else did she say?
她还说了些什么?
Little else remains to be done.
没有剩下什么事情要做的了。
Would you like anything else to drink?
你还要喝点别的什么吗?

还有谁？（想功夫里面冯小刚的台词...）

Is there anyone else?

anybody else?