Gary Files is an Australian-Canadian actor, theatre director and radio writer who has worked in Australia, Canada, and the United Kingdom.
While in England, (working for Gerry Anderson), Gary started with the film Thunderbird 6, then went on to perform voices for the TV series Captain Scarlet and the Mysterons, Joe 90 and also appeared in the pilot episode of Anderson's live-action series UFO.
In The Secret Service, he voiced the following characters:
- Green - A Question Of Miracles
- 2nd Native - Errand Of Mercy
- Air Traffic Assistant - May-Day, May-Day!
- Albert Hobson - Last Train To Bufflers Halt
- Attendant - More Haste Less Speed
- Brother Jess - School For Spies
- Brother Simon - School For Spies
- Captain - May-Day, May-Day!
- Captain Mitchell - Recall To Service
- Car Enthusiast - A Question Of Miracles
- Carl - The Feathered Spies
- Charlie - More Haste Less Speed
- Dr E.H Klam - The Cure
- Fifth Brother - School For Spies
- Kailn - The Cure
- Forrester - Hole In One
- French General - Recall To Service
- Green - A Question Of Miracles
- Guar - A Question Of Miracles
- Manservant - To Catch A Spy
- Matthew Harding - Recurring Role
- McGrath - Last Train To Bufflers Halt
- Operator - The Feathered Spies
- Pete - More Haste Less Speed
- Pilot - To Catch A Spy
- Pilot - The Deadly Whisper
- Prince Of Muldovia - May-Day, May-Day!
- Sargent Walsh - Recall To Service
- Skipper - To Catch A Spy
- Spiker - More Haste Less Speed
- Technician (Port Trennick) - A Question Of Miracles