Can’t view comments author’s name

I’m having trouble with comments on my blog (http://www.p-alma.miguelcoelho.com). Comments author’s name don’t show and I’ve tried changing themes and it works.

I would like to stick to my current theme but I’d love to have this fixed.

Can anyone help me?

`<?php // Do not delete these lines
if (‘comments.php’ == basename($_SERVER[‘SCRIPT_FILENAME’]))
die (‘Please do not load this page directly. Thanks!’);

if (!empty($post->post_password)) { // if there’s a password
if ($_COOKIE[‘wp-postpass_’ . COOKIEHASH] != $post->post_password) { // and it doesn’t match the cookie
?>

<p>This post is password protected. Enter the password to view comments.<p>

<?php
return;
}
}

/* This variable is for alternating comment background */
$oddcomment = ‘comment’;
?>

<!– You can start editing here. –>

<?php if ($comments) : ?>

<h2><?php comments_number(‘Sin comentários’, ‘Un comentário’, ‘% comentários’ );?></h2>

<?php foreach ($comments as $comment) : ?>

<div class=”comment wrap” id=”comment-<?php comment_ID() ?>”>
<div class=”col-left”>

<p><?php comment_author() ?>
</p>
<p><i> <?php comment_date(‘M jS, Y’); ?></i>
<?php edit_comment_link(‘Edit comment’, ”, ”); ?></p>

</div>
<div class=”col-right”>
<?php comment_text() ?>
<?php if ($comment->comment_approved == ‘0’) : ?>
<p>Your comment is awaiting moderation.</p>
<?php endif; ?>
</div>
</div>

<?php /* Changes every other comment to a different class */
if (‘comment’ == $oddcomment) $oddcomment = ‘alt’;
else $oddcomment = ‘comment’;
?>

<?php endforeach; /* end for each comment */ ?>

<?php else : // this is displayed if there are no comments so far ?>

<?php if (‘open’ == $post->comment_status) : ?>
<!– If comments are open, but there are no comments. –>

<?php else : // comments are closed ?>
<!– If comments are closed. –>
<!–<p class=”nocomments”>Comments are closed.</p>–>

<?php endif; ?>
<?php endif; ?>

<?php if (‘open’ == $post->comment_status) : ?>

<h2>Comentar</h2>

<?php if ( get_option(‘comment_registration’) && !$user_ID ) : ?>
<h2>You must be /wp-login.php?redirect_to=<?php the_permalink(); ?>”>logged in to post a comment.</h2>
<?php else : ?>

<form action=”<?php echo get_option(‘siteurl’); ?>/wp-comments-post.php” method=”post” id=”commentform”>
<div>
<?php if ( $user_ID ) : ?>
<p class=”lc_logged”>Logged in as /wp-admin/profile.php”><?php echo $user_identity; ?>. /wp-login.php?action=logout” title=”Log out of this account”>Logout</p>
<?php else : ?>

<label for=”author” class=”wrap”><input type=”text” id=”author” value=”<?php echo $comment_author; ?>” size=”27″ tabindex=”1″ /> <span>Nombre <?php if ($req) echo “(obligatório)”; ?></span></label>
<label for=”email” class=”wrap”><input type=”text” id=”email” value=”<?php echo $comment_author_email; ?>” size=”27″ tabindex=”2″ /> <span>Email <?php if ($req) echo “(obligatório)”; ?> – no será publicado</span></label>
<label for=”url” class=”wrap”><input type=”text” id=”url” value=”<?php echo $comment_author_url; ?>” size=”27″ tabindex=”3″ /> <span>Web (opcional)</span></label>

<?php endif; ?>

<!–<p><small>XHTML: You can use these tags: <?php echo allowed_tags(); ?></small></p>–>

<textarea name=”comment” rows=”10″ cols=”50″ tabindex=”4″></textarea>

<input name=”submit” type=”image” id=”submit” tabindex=”5″ src=”<?php bloginfo(‘template_directory’); ?>/images/img_leave_comment.gif” />

<input type=”hidden” name=”comment_post_ID” value=”<?php echo $id; ?>” />

<?php do_action(‘comment_form’, $post->ID); ?>
</div>
</form>

<?php endif; // If registration required and not logged in ?>

<?php endif; // if you delete this the sky will fall on your head ?>