Stuart Damon

Stuart Damon was an American actor and singer. He was best known for his 30-year portrayal of Dr. Alan Quartermaine on the American soap opera General Hospital, for which he won an Emmy Award in 1999. Outside the United States, he was known for the role of Craig Stirling in The Champions.

Diagnosis Murder · S4, E221

Physician, Murder Thyself

Dr. Sloan investigates when an unpopular colleague drops dead while performing an operation. Mark investigates his fellow doctors when tests reveal the deceased was poisoned.
Space: 1999 · S2, E18

The Bringers of Wonder, Pt. 1

Everyone on Moonbase is electrified by the arrival of a spaceship from earth. Everyone, that is, except Commander Koenig. Where the others see long-lost friends and relatives, he sees hideous aliens, bent on taking over the Moonbase.
Space: 1999 · S2, E19

The Bringers of Wonder, Pt. 2

People from Earth have landed on Moonbase Alpha, promising to take the Alphans back home. Commander Koenig, however, sees not fellow human beings, but aliens, and tries to kill some of them. Horrified, Helena stuns him with a laser gun and later, as he lies unconcious in the Medical Centre, Koenig is approached by one of the aliens (for that is what they really are) who tries to smother him.