Alisdair Simpson

Alisdair Simpson voiced several roles in various Big Finish Doctor Who audio stories and spin-offs.

Doctor Who Main Range

 * 1963: The Assassination Games - Sir Francis White/David Ritchie
 * Mask of Tragedy - Cleon

The Dairy of River Song

 * The Boundless Sea - Colonel Lifford

The Churchill Years

 * Churchill Victorious - Sidney Wheeler/Field Marshal Brooke