The Grey Man of the Mountain (audio story)

 was the two hundred and seventy second audio story in Big Finish's monthly range. It was written by Lizbeth Myles and featured Sylvester McCoy as the Seventh Doctor, Sophie Aldred as Ace and Jon Culshaw as Brigadier Lethbridge-Stewart.

Publisher's summary
Something haunts the peak of Ben MacDui.

Something with heavy footsteps, striking terror in the hearts of those who sense it. With climbers going missing, retired Brigadier Lethbridge-Stewart visits Scotland to investigate.

But when some old friends join his ascent, he worries that they will make things even more dangerous. As the snows blow in, and mists surround them, the Doctor, Ace and the Brigadier will face the Grey Man of the Mountain...

Part one
to be added

Part two
to be added

Part three
to be added

Part four
to be added

Cast

 * The Doctor - Sylvester McCoy
 * Ace - Sophie Aldred
 * Brigadier Lethbridge-Stewart - Jon Culshaw
 * Andy / Grey Man - Guy Adams
 * Kirsty - Lucy Goldie
 * Thaddeus Kanner / Tom - Youssef Kerkour
 * Niamh Godec / Janet MacKenzie - Vivien Reid

Continuity

 * Brigadier Lethbridge-Stewart references his previous adventures with the Doctor, mentioning the Yeti, (TV: The Web of Fear) the encounter with Morgaine, (TV: Battlefield) and fighting the Loch Ness Monster. (TV: Terror of the Zygons)
 * Brigadier Lethbridge-Stewart mentions the Doctor's travels to the Himalayas. (TV: The Abominable Snowmen)
 * Kirsty would not be the only travel vlogger the Doctor would encounter, as she would meet Gabriela Camara in her Thirteenth incarnation. (TV: Praxeus)
 * In response to the Doctor's musing that they may not be welcome on the mountain, the Brigadier quips that he thought the Doctor was allowed everywhere. (TV: The Five Doctors, COMIC: The Whole Thing's Bananas)
 * Brigadier Lethbridge-Stewart told the Doctor that some of his previous incarnations might disagree to the latter's assertion that he never imposed on the Doctor's help. (TV: Terror of the Zygons et al)
 * Brigadier Lethbridge-Stewart tells the Doctor he always says 'science first', which the latter reacts with scepticism. Kate Stewart would later promote the principle that 'science leads' once she took over UNIT, which she claimed that her father instilled in her. (TV: The Power of Three)