What actors and actresses appeared in The Nativity - 2010?

You are likely referring to the film "The Nativity Story" released in 2006, not "The Nativity" in 2010. There is no film titled "The Nativity" from 2010.

The main actors in "The Nativity Story" (2006) are:

* Keisha Castle-Hughes as Mary

* Oscar Isaac as Joseph

* Shohreh Aghdashloo as Anna

* Ciaran Hinds as King Herod

* Hiam Abbass as Elizabeth

* Nazanin Boniadi as Salome

* Alexander Siddig as Zechariah

* Stephen McHattie as Simeon

There are many other supporting actors as well.