He's expressionless. Just doesn't do it for me.
Then, you are a bad judge of acting talent. Good acting is not rubber facing like Jim Carrey.
Crowe disappears into his roles and you completely believe him as whatever character he portrays...that is great acting. Tom Hanks has the same quality.
The Insider
Gladiator
Proof of Life
Beautiful Mind
Master & Commander
Cinderella Man