A mercenary, responsible for a revolution on Arcos and called in by Cauder on Albian to overthrow the Federation's control of the planet. The garrison was defeated under his command of the rebels, but not before the solium radiation device was activated by Tronos. When Blake arrived, Grant recognised Avon instantly. Avon believed until then that Grant was dead (Grant also believed that Avon had himself died). Having some knowledge of timing devices, he worked with Avon to disarm the solium device.