Sonny McGann
From Tardis Wiki, the free Doctor Who reference
Jake McGann voiced characters for Big Finish Productions including the Doctor's Great-Grandson Alex Campbell in The Eighth Doctor Adventures and another version of Alex in The Eighth Doctor: Time War.
He is the real life son of Paul McGann, the Eighth Doctor.
Credits
Special Releases
The Eighth Doctor Adventures
The Eighth Doctor: Time War
Other Roles