Lisa Bowerman, aka Big Finish's Bernice Summerfield, will be returning to Chicago TARDIS!

In addition to playing this role for the last 25 years, she has also featured as regular characters in the series Sapphire & Steel, Jago & Litefoot, and many other guesting roles.

She is also a prolific audio drama director, having directed many series for Big Finish Productions.

Look out for additional guest announcements very soon!