Torchwood

He was so popular, he starred as the lead in the Doctor Who spinoff Torchwood.

Torchwood Three was created to monitor and address the mysterious anomaly.

Gareth David-Lloyd - Actor and writer Gareth is another Torchwood star, but is also known for his appearance in the Sherlock Holmes series.

He is also known for his roles in Doctor Who, Torchwood, and Arrow.

Torchwood Reboot: Is the Doctor Who Spin-Off Coming Back?

Former Torchwood and Broadchurch star returns as the protagonist Faith Howells, a lawyer and new-mother.

The 53-year-old has appeared in a number of TV shows including Holby City, Murphy's Law, and Torchwood with current co-star Eve Myles.

As Torchwood Three's hub is situated at a rift of temporal energy, the Doctor often appears on Roald Dahl Plass directly above it in order to recharge the TARDIS.

In addition to these main lines, both the BBC and Big Finish have produced original audio dramas and audiobooks based on spin-off material, such as Torchwood and The Sarah Jane Adventures series.

In " Journey's End " (2008), the TARDIS (assisted by the Rift Manipulator situated at Torchwood Three in Cardiff and the supercomputer Mr Smith ) is able to tow the Earth across space.

Other appearances Spin-offs The sound of the Doctor's TARDIS featured in the final scene of the Torchwood episode " End of Days " (2007).

The device is confiscated by UNIT, which imprisons Sato until she is pardoned and recruited into Torchwood by Jack Harkness.

The sound of the Doctor's TARDIS is heard, but it is not seen, in the Torchwood episode " End of Days " (2007).