Continuity mistake: When Johnny, Roy, and Captain Stanley are rescuing the people trapped inside Olive View Hospital, they are wearing distinctively marked SCBA tanks on their backs, and when all three firemen exit the doorway, Cap is wearing an entirely different tank, and the tanks that Johnny and Roy are wearing have been switched. Then when Johnny jumps off Engine 82, his tank differs again, and when he walks over to the Battalion Chief it's changed yet again.
Continuity mistake: During the rescue of the two boys on the tower, a few shots after Chet starts climbing the stairs, there's a long shot looking up at Roy and John, and we can see Chet at the last set of stairs at the bottom left of the screen, and a few shots later from the same long angle, we see Chet reach the top. However, quite a few shots later, after the old man comments about job security, we see Chet again, but he's nowhere near the top yet.
Continuity mistake: When Johnny and Roy must climb the tower to rescue the two boys, they both buckle the pompier belts around their waists with the large carabiner hooks at their left sides and walk towards the tower, but in the next shot Johnny's belt is on the opposite way, at his right, as they start to climb the stairs. Then the life belt flips back to the way it was originally.
Continuity mistake: When Roy and Johnny are tending to the actor with the possible heart attack, Brackett asks for an EKG strip, so Roy holds out his right hand to give Johnny the cable, but in the next shot Roy's holding out his left hand with the cable.
Continuity mistake: When Johnny is in the pool with the guy who somersaulted off the roof, he and Roy insert an esophageal airway to ventilate, but when they lift him out of the pool and load the guy onto the stretcher, the esophageal airway has vanished.
Continuity mistake: At the start, when Station 51 is dispatched to the fire and explosion, in the overhead wide shot we see Gage getting into the squad on the passenger side, but in the closeup Gage is in the driver's seat, and when they arrive at the scene it's DeSoto who's driving.
Continuity mistake: When Mrs. Epps begs Dr. Morton to tell her the truth about her son's condition, the stethoscope is hanging around Morton's neck with the headset on his left side and the chestpiece on his right side, but then it flips to the opposite way, and then back again, between shots.
Continuity mistake: When Johnny runs inside the burning house to get to Toby and his grandfather, he's wearing a distinctive SCBA tank on his back, but when Johnny's inside the house he's wearing a different tank. Additionally, when Roy takes the mother's pulse he's also wearing a tank, but when Johnny and Toby have come out his tank is different.
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.
Continuity mistake: During the fire at Rampart's lab building 8K, when Roy and Johnny are placing the salvage covers on important records, Johnny is wearing the SCBA tank with the two red stickers and Roy's tank has a large arrow sticker, but when they exit the building their tanks have switched.
Continuity mistake: When Brackett asks Early to see the patient (Jamie Farr) who belongs to an occult group and has no function in his right arm, Brackett's wearing a blue/white striped tie, Early's wearing a red/blue striped tie, and Dixie's wearing a uniform dress. However, in the previous and following shots, Brackett's wearing a blue/red/gold patterned tie, Early's wearing a solid black tie, and Dixie's wearing a 2-pc nursing uniform with pants.
Continuity mistake: After Brackett gets off the phone with Dr. Meier, he walks back to treatment 1, and when Brackett speaks to Morton about the patient being on warfarin, the stethoscope around Brackett's neck vanishes in his closeups, and reappears in wide shots.
Continuity mistake: When Roy and John are at the inexperienced cook's apartment the second time, when her fingers are caught in the mixer, she's wearing a blue/white striped dress and a watch on her left wrist, but in the closeup as she reaches for the boiling pot her watch is gone and it's a white sleeve on her arm.
Continuity mistake: When Dixie goes to Brackett's office to discuss Boot's temperature, Dr. Morton's crossed legs go from left over right, to right over left, repeatedly, depending on the shot.
Continuity mistake: After Roy frees the woman's fingers from the mixer, they use the yellow dish towel and she tosses it into the sink, but in the next shot when Johnny suggests serving Mai Tais, the yellow towel is suddenly back in her hands and the white towel is now over Johnny's shoulders.
Continuity mistake: After the explosion at Rampart's lab, Brackett and Dixie head out receiving with two gurneys carrying emergency necessities, Dixie's gurney has light blue trim and Brackett's gurney has a double rod trim at the top, but outside Dixie's blue trim gurney has vanished, hers now has double rods and Brackett's has single rod trim.
Continuity mistake: When Station 51 is dispatched to the 'stove fire' it's nighttime, but when they roll up to the apartment complex it's still daylight.
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.