Visible crew/equipment: After Roy climbs down the manhole, he leans to the right (the second time), and when he points the flashlight down the tunnel on the right, the moving shadow of camera equipment is visible on the wall. We know it's not Roy's shadow because when he leans back to the left, that shadow is still moving on the tunnel wall.
Visible crew/equipment: When Roy and Johnny are dispatched to the plant with an 18 yr old whose arm is caught in a machine, the outlines of the mic transmitters are visible on the left side of Johnny's shirt, when he's on the Biophone, and on the left side of Roy's shirt, when he's putting the tourniquet on the 18 yr old.
Visible crew/equipment: After Dianne's OD, once she passes out and Johnny begins to work on her and inserts the esophageal airway, the bulging outlines of the mic transmitter and wire are visible on the back of Johnny's shirt.
Visible crew/equipment: When Roy and Brice are taking vitals of the possible heart attack, depending on the angle of the shot, the outlines of the mic transmitters can be seen on the backs of Roy's and Brice's shirts.
Answer: I believe you are speaking of the old man, Mr. Wilson. He's played by J. Pat O'Malley.
Bishop73
Correct, it was J. Pat O'Malley...he also played the grandfather with his grandson when their rocket exploded, and also played "Old Bill" in the episode with Ann Prentiss, where Gage saves the little girl from the burning tree house, and her mother falls in love with him.