In the Lucky Star anime, there is a scene where one character mentions something about drama CDs and anime adaptations of the same work having different voice actors. Ironically enough (and probably intended), Lucky Star is one of these franchises.

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Character Drama CD Anime
Konata Hirohashi Ryou Hirano Aya
Kagami Koshimizu Ami Katou Emiri
Tsukasa Nakahara Mai Fukuhara Kaori
Miyuki Nakayama Erina Endou Aya

I can take some guesses at why this happens, but I've never properly researched it and therefore don't know the actual reason(s) why.

2 Answers 2


In the case of Lucky Star, this is because the drama CD predates the anime by about two years, and was produced by a completely different group of people. When Kyoto Animation took on the Lucky Star anime project, they decided to cast new voice actors. Why? I don't know in this specific case, but one possibly contributing factor is that drama CDs are likely to have a smaller budget than anime, meaning that there are probably more constraints on which voice actors can be hired. Then again, maybe the producers just didn't like Hirohashi Ryou as Konata, or maybe Hirohashi had scheduling issues (because, after all, the Lucky Star anime wouldn't have been part of her contract to do the drama CDs). Who knows?

This is a pattern you will see from time to time - there are some manga/LN franchises that get drama CDs before getting an anime adaptation. In these cases, the drama CD cast is likely to be replaced when it comes time to make an anime, simply because the production staff for the drama CDs and anime are different, and so there's nothing really necessitating that the anime production staff use the drama CD cast. Kara no Kyoukai is another example of this - there was a drama CD back in 2002, but the entire cast (besides glorious Nakata Jouji as Araya) was replaced for the movies.

On the other hand, when the drama CDs are a tie-in to the anime, you'll almost invariably see the same cast used for both, since they're both being produced by the same people/companies. I know of no exceptions to this, though I wouldn't be too surprised if there were some exceptions out there.


I don't know this for sure, but practically speaking, just because a talent is contracted for voicing a character, doesn't mean that the person is tied to the character for life.

Add to the fact that production companies will green light projects at different times, there are scheduling conflicts, too.

Also, I'm pulling this from seiyu ka, but it seems if the sound director doesn't like the talent, they can fight to have the talent removed from the project.

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