Warren Lewis

, also credited as Warren Green, created artwork used in BBV's P.R.O.B.E. Case Files shorts as well as the covers for The Brigadier Adventures audio series, including Memories of Tomorrow, New Pastures, Necessary Force and Translation. He helped edit covers for other Audio Adventures In Time & Space such as Lucifer and the audiobook adaptations of The Airzone Solution and Cyberon. He also wrote the Case File episodes Living Fiction and A Message from Sir Andrew, as well as contributing ideas throughout the series.

He helped edit the cover for Cyberon by Arcbeatle Press.

He designed the DVD sleeves for BBV's Uncut! interview series, including JNT (John Nathan-Turner), Jon Pertwee, Nicholas Courtney & Caroline John, and Philip Hinchcliffe.

He did the sound-design for Erimem: The Audio Adventures stories: The Beast of Stalingrad and Prime Imperative, as well as editing various trailers such as More Than Human.

He was originally announced as the artist of a graphic novel adaptation of Cwej: The Series, developing initial concept-art.

He also created the logo for Time Travel TV's 2021 documentary Lockdown: The Doctor Who Fans' Survival Guide.

As one of the main creators of the P.R.O.B.E. Case Files shorts, he was interviewed in  Making P.R.O.B.E. Online.