You mean "male voice actors", not "female voices", but... yeah... for the Japanese version.W-Wow. o_O So in other words you can't imagine any of the male leads with female voices? xD
Note that that doesn't mean that they'd all have high pitched voices. I imagine Ruby and Black with deeper voices done by women.
Here's my voice list:
Gold- Junko Takeuchi (Naruto in Naruto, Takuya in Digimon Frontier)
Ruby- Junko Minagawa (Ryoma in The Prince of Tennis)
I'm lazy. I'm done for now...