Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Simon Merrells
Table title:
Filmography
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Title </th><th colspan=1 rowspan=1 > Role </th></tr>
<tr> <td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > Invisible Eyes </td><td colspan=1 rowspan=1 > Dan </td></tr>
<tr> <td colspan=1 rowspan=1 > 2010 </td><td colspan=1 rowspan=1 > The Wolfman </td><td colspan=1 rowspan=1 > Ben Talbot </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013 </td><td colspan=1 rowspan=1 > Spartacus: War of the Damned </td><td colspan=1 rowspan=1 > Marcus Licinius Crassus </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013 </td><td colspan=1 rowspan=1 > Judas Ghost </td><td colspan=1 rowspan=1 > Mark Vega </td></tr>
<tr> <td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 > Index Zero </td><td colspan=1 rowspan=1 > Kurt </td></tr>
<tr> <td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 > The Tomorrow People </td><td colspan=1 rowspan=1 > Founder </td></tr>
<tr> <td colspan=1 rowspan=1 > 2015 </td><td colspan=1 rowspan=1 > Billionaire Ransom </td><td colspan=1 rowspan=1 > Jonathan Tilton-Scofield </td></tr>
<tr> <td colspan=1 rowspan=1 > 2016 </td><td colspan=1 rowspan=1 > Victrix </td><td colspan=1 rowspan=1 > Marius </td></tr>
<tr> <td colspan=1 rowspan=1 > 2017–18 </td><td colspan=1 rowspan=1 > Legends of Tomorrow </td><td colspan=1 rowspan=1 > Julius Caesar </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2017 </td><td class="highlighted"  colspan=1 rowspan=1 > Knightfall </td><td class="highlighted"  colspan=1 rowspan=1 > Tancrede de Hautville </td></tr>
<tr> <td colspan=1 rowspan=1 > 2018 </td><td colspan=1 rowspan=1 > 12 Monkeys </td><td colspan=1 rowspan=1 > Andrus </td></tr>
</table>
Question:
Who did Merrells cast in "Knightfall" in 2017?
Answer:
Merrells was cast as Tancrede de Hautville in Knightfall, in 2017.