Ian Brooker

Ian Brooker is a prolific voice actor for many of Big Finish Productions' main and secondary audio series.

Brooker's single line as an alternative Doctor in Full Fathom Five has earned him the record for shortest recorded performance as the Doctor.

Dalek Empire

 * Invasion of the Daleks - Cheviat / Ed Byers / Roboman
 * The Human Factor - Wernay / Drudger / Gurian
 * "Death to the Daleks!" - Espeelius / Karik / Elisonford
 * Project Infinity - Espeelius
 * Dalek War: Chapter One - Marber / Drudger
 * Dalek War: Chapter Two - Marber / Drudger
 * Dalek War: Chapter Three - Sparks / Marber
 * The Exterminators - Bulis Mietok / Crewman / Captain
 * The Healers - Mietok
 * The Survivors - Mietok
 * The Demons - Mietok
 * The Warriors - Mietok
 * The Future - Mietok
 * The Fearless: Part 1 - General Croft / Shuttle Pilot
 * The Fearless: Part 2 - General Croft / Spacer / PA / MP / Medic
 * The Fearless: Part 4 - Officer

Main range

 * Embrace the Darkness - ROSM / Solarian / Cimmerian
 * The Time of the Daleks - Professor Osric
 * The Wormery - The Barman (credited on the Big Finish website, but not on the CD)
 * The Last - Minister Voss
 * The Settling - Colonel Sinnott
 * Something Inside - Mr. Twyst
 * The Entropy Composition - Naloom
 * Special Features - Sir Jack Merrivale / Professor Bromley
 * The Memory Bank - Archivist / Computer
 * The Becoming - Elder / Spring Voice

Doctor Who Unbound

 * Auld Mortality - Surus
 * Full Fathom Five - The Doctor (credited on the Big Finish website, but not on the CD)
 * Deadline - Sydney
 * A Storm of Angels - Shewstone / Bosun

UNIT

 * Snake Head - Dr. Barney Hendrick

Cyberman

 * Scorpius - Helliton / Vice-Admiral Charles Hendry / Glaust / Brett's father
 * Fear - Beta 4 commander / Android / Lieutenant / Chief Justice Goran
 * Conversion - Vice-Admiral Charles Hendry / Spavin
 * Telos - Spavin
 * Outsiders - Yan
 * Terror - Yan
 * Machines - Yan
 * Extinction - Yan

The Eighth Doctor Adventures

 * Wirrn Dawn - Winslet

Bernice Summerfield

 * Venus Mantrap - Safton Twisk

Bonus releases

 * Return of the Krotons - Romilly
 * An Earthly Child - President of the Earth Council / Policeman / Air Control / Helicopter Pilot / Reporter

The Lost Stories

 * Point of Entry - Sir Francis Walsingham

Destiny of the Doctor

 * Shockwave - OhOne (Big Finish was working with AudioGO for this story)

Dark Eyes

 * The White Room - Dr Herbert Goring / The Viyrans