[Grammar] The actors were good at/in their roles.

[Ewa B]

Hello, I'm usually confused regarding prepositions.
Which one is correct:
The actors were good at their roles. or The actors were good in their roles.

Thanks for helping me,
Ewa

 

[jutfrank]

Use in.

 

[Tarheel]

Well, normally we say somebody is good at something. In this case I wouldn't say either is wrong, but jutfrank's answer is probably preferable.

 

[Yankee]

Well, normally we say somebody is good at something. In this case I wouldn't say either is wrong, but jutfrank's answer is probably preferable.

As in, good at acting in the role of Hamlet.