Voice of James Marcus
Who voices James Marcus? (Old and Young)
shareAccording to the following site, the young Marcus was voiced by Lyon Smith, the English voice of Prince Sapphire from Sailor Moon. Don't know how reliable it is, since I never was a regular Sailor Moon viewer.
http://raccoonlibrary.fc2web.com/bh_misc/bhv-mysm.html
Yeah, is confirmed. James Marcus was voiced by Lyon Smith :3
Source: Lyon himself confirmed it via his website