Both stars missed their side's last La Liga match against Espanyol, as Portugal captain Ronaldo had flu while Wales talisman Bale suffered a thigh injury, reports Efe. [Villarreal in search of 1st victory at Bernabeu]
Real Madrid head coach Zinedine Zidane said Ronaldo and Bale will appear against Villarreal.
Brazilian holding midfielder Casemiro, who sustained an injury against Espanyol, and Portuguese defender Pepe worked out inside the club, according to Real Madrid's official website.
Zidane called up players from Real Madrid Castilla like Enzo Zidan, Martin Odegaard and Alex Craninx.