He looked exactly right,

Rating: 6/10 (26 December 2011)

she not so much. He is a heartthrob in the silent style and he can dance. She's a stiff dancer, and she's too buff. They needed to put a few pounds on her, keep her out of the gym for a few months, and retro the makeup: bee-sting her lips and mess up her teeth a tad. James Cromwell was anachronistic, too; too method-y.
The music was good. They used the theme from Vertigo at the end, and it worked beautifully. There wasn't much of the stereotypical "wah wah" horn to alert you that what you're watching takes place in the jazz age--good for them.
The story's slight, the reviewers claiming the movie is over-hyped are right, but Jean Dujardin and Asta are worth watching.