How to checked selected category checkbox when my custom post inserted from frontend

by 

  // set Selected Post CATEGORY cheked 
    wp_set_object_terms( $post_id, array((int)$_POST['movies_cat']), 'movies' );
} else{ die("check seccurity");}

// This bellow given code add on design page

<p class="meta-options hcf_field">
<label for="movies">The Categories</label>
<?php wp_dropdown_categories( 'taxonomy=movies&name=movies_cat&show_option_all=Select a category' ); ?>
</p>