I personally think that Gloriosa's voice actress is either Tabitha St. Germain or Rebecca Shoichet.

5046189 Hrmm.... I have no idea.

5046189

Me (just kidding)

My current headcanon voice for her is basically a female Draco Malfoy, complete with british accent.

(I ship her with Marco DaFoy)

5046198
Yeah. I guess we'll find out later.

5046249

I kinda also imagine a spanish- type accent, so maybe a british/spanish mix.

5046532
Interesting...