Thea Cochrane

Thea Cochrane, previously credited as "Matthew Cochrane", provided sound design and music for a number of Big Finish Productions audio plays.

Though the bulk of her work has been for Big Finish' Bernice Summerfield series, Cochrane has also provided music and sound design for the Main Range, the Eighth Doctor Adventures and The Companion Chronicles.

More recently, Thea Cochrane received credit on Torchwood. Before 2017, she was mostly billed as "Matthew" in her DWU work.

Big Finish Main Range

 * Casualties of War - music & sound design
 * The Company of Friends - music & sound design

Eighth Doctor Adventures

 * The Scapegoat - sound design
 * Nevermore - sound design

The Companion Chronicles

 * The Many Deaths of Jo Grant - sound design
 * Binary - sound design
 * House of Cards - sound design
 * Starborn - sound design

Big Finish Special Releases

 * Return of the Daleks - sound design
 * The Ultimate Adventure - sound design
 * Return of the Krotons - sound design

Destiny of the Doctor

 * Shockwave - sound design

Big Finish Bernice Summerfield series

 * Summer of Love - music & sound design
 * The Empire State - music & sound design
 * The Tub Full of Cats - music only (with David Darlington)
 * The Judas Gift - music & sound design (with David Darlington)
 * Freedom of Information - music only (with David Darlington)
 * The End of the World - music & sound design (with David Darlington)
 * The Final Amendment - music only (with David Darlington)
 * The Wake - music & sound design (with David Darlington)
 * Beyond the Sea - music & sound design
 * The Adolescence of Time - sound design
 * Venus Mantrap - music & sound design
 * Secret Origins - music & sound design
 * Dead and Buried - music & sound design
 * Resurrecting the Past - music & sound design
 * Escaping the Future - music & sound design
 * Dead Man's Switch - music & sound design
 * Legion
 * Vesuvius Falling - sound design (with Robbie Dunlop)
 * Shades of Gray - sound design (with Robbie Dunlop)
 * Everybody Loves Irving - sound design (with Robbie Dunlop)
 * Many Happy Returns - music & sound design (with David Darlington, Steve Foxon and Simon Robinson)

Big Finish Torchwood series

 * Goodbye Piccadilly - sound design