Complex sentence: In 2009 she appeared, again alongside Judi Dench in a Donmar West End revival of "Madame de Sade", and reprised her (in this case more prominent) role as Augusta Tomkinson in the two-part Christmas special "Return to Cranford".
Split into simpler sentences: In 2009 she appeared alongside Judi Dench in a Donmar West End revival of Madame de Sade. She reprised her (in this case more prominent) role as Ms. Tomkinson in the two-part Christmas special "Return to Cranford".