MacGyver Season 4 Episode 18

Richard Dean Anderson subsequently appeared in Stargate SG-1 with four guest stars: Marshall Teague in "A Matter of Time", John Novak in "Memento" and "Grace", James Kidnie in "Icon", and Dan Shea in multiple episodes where Shea portrayed Sgt. Siler and stunt-doubled Richard Dean Anderson.

This is the third of series stunt coordinator Vince Deadrick, Jr.'s four, unrelated credited appearances on MacGyver. He can also be seen in season three's "Blow Out", season three's "The Endangered", and season six's "The Wall".

This is the second of John Novak's three, unrelated appearances on MacGyver. He can also be seen in season three's "Kill Zone" and season five's "The Ten Percent Solution".

This is the first of Dan Shea's two, unrelated appearances on MacGyver. He can also be seen in season five's "Deep Cover". Besides doing stunts on MacGyver, Shea would go on to work as a stunt double for Richard Dean Anderson in Stargate SG-1.

This is the first of Darcia Carnie's two, unrelated appearances on MacGyver. She can also be seen in season five's "The Ten Percent Solution".

This is the first of Don Stroud's two, unrelated appearances on MacGyver. He can also be seen in season six's "High Control".

This is the first of Patrie Allen's two, unrelated appearances on MacGyver. She can also be seen in season six's "Twenty Questions".

This is the first of Marshall Teague's two, unrelated appearances on MacGyver. He can also be seen in season six's "MacGyver's Women".

The German episode title is "Das Sicherheitsrisiko", meaning "The Security Risk".