Robin Sachs - voice of Zaeed Massani in Mass Effect but better known as Ethan Rayne in Buffy - has died aged 61.
The news was announced on his website, the cause of death unknown.
"This is a post we never thought we would have to write," the post began.
"It is with great sadness that we have to announce the sudden and unexpected passing of Robin Sachs.
"Please join us in raising a glass to Robin - goodbye, dear friend. Thank you for all the laughter and the cookies. We will miss you so very much."
Sachs voiced more than one BioWare game. In addition to the Mass Effect series he also voiced numerous parts in Dragon Age: Origins and was Admiral Saul Karath in Knights of the Old Republic.
His voice featured in Kane & Lynch 2: Dog Days, A Bard's Tale, Resident Evil Outbreak File 2 and Rainbow Six: Lockdown. Sachs voiced the 2003 Buffy Chaos Bleeds video game, too.
Rest in peace Robin Sachs.