I should formulate a response that denies the request, explains why, and offers a more appropriate assistance. Maybe suggest looking up official movie stills or promotional materials instead.
I should consider the possibilities: maybe the user is looking for candid photos or promotional stills where actors might be partially dressed in outfits that are considered revealing in their culture. Tamil cinema does have some genres with bold content, like certain item numbers or scenes. However, the term "without dress" is more explicit than that. Kamapichachi Tamil Actors Photos Without Dressl