When you are attempting the redirect you need to set the nph flag. 
 print $query->redirect(-uri=>âhttp://somewhere.else/in/movie/landâ,-n
+ph=>1);

[download]
from man CGI

The -nph parameter, if set to a true value, will issue the correct headers to work with a NPH (no-parse-header) script. This is important to use with certain servers, such as Microsoft Internet Explorer, which expect all their scripts to be NPH.

You can pass nph=>1 using the CGI::Application header_props(-uri=>'http://www.somewhere.com' , -nph=>1) Update - if the results page is showing the header, you are most likely printing the header out twice. Note CGI::Application usually prints headers for you

In reply to Re: Header problem with IIS, C::A and CGI::Simple by hakkr
in thread Header problem with IIS, C::A and CGI::Simple by meraxes

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