Continuity mistake: While Brackett is with Ken in the ER he's wearing a blue/white striped tie, and when he calls Ken's doctor the tie is tied differently, but then it's tied the original way.
Continuity mistake: When Brackett leads Mr. Teal to his wife they walk into treatment 2, which has a windowless door, but in the shot from inside the room they're actually in treatment 1, which has a window on its door.
Continuity mistake: When Johnny and Roy are in the water trying to rescue the the man trapped in the submerged car, they are wearing water-type shoes, not their regular uniform shoes.
Continuity mistake: When Engine 51 rolls up to the Teal house and quickly enter, we can see the flames inside through the living room window - no shade blocks the view, but in the next shot from the living room, the shade is now pulled halfway down the window.
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.