The French forward, back from his loan spell with St Etienne, played the full 90 minutes of the game against Aston Villa.
Smicer made his long-awaited return from injury and played the final 30 minutes of the game, while new keeper Scott Carson played well in goal.
Liverpool lost the game 4-0, but it was the performance of the returning Reds that will be of more interest to Rafael Benitez.