Continuity mistake: When Roy and Chet go to Rampart to visit Johnny on their day off, Dixie tells them that Johnny's in room 205, but when Chet and Roy walk in the number on the door is 230.
Continuity mistake: When Chet flags down the young driver to get help for the traffic accident victims, the driver's side wing mirror is tilted out at a wide angle in the long shot, but in the next closeup the wing mirror has been pushed flat up against the car, so as not to block the actor during the conversation.
Visible crew/equipment: After Roy, Johnny, and Chet find the victims of the vehicle accident, when Johnny checks on the boy's mother, the bulging outline of the mic transmitter is visible on the back, right side of Johnny's red shirt.
Continuity mistake: When Roy and Johnny are on scene at the boating accident, John contacts Rampart, and in the closeup of the base station telephone, we see the old reel-to-reel tape recorder that was used during season 1, behind the old GE Deskon 3-button telephone. In the next shot Rampart's base station is back to normal.
Continuity mistake: When the stokes with the boating accident victim is being loaded onto the Harbor Patrol boat, Roy's standing behind The Boat in the water and Johnny's in The Boat with the stokes, but in the next shot they've switched places, Roy's in The Boat and Johnny's behind The Boat. Others have also switched places between shots.
Continuity mistake: When 51's guys are standing around Johnny's bed looking at the cat, in the cat's closeups she is facing the locker room, but in the other shots she is facing the opposite way, with the guys behind her.
Continuity mistake: After 17's Captain Harmell has fallen through the warehouse roof, when Roy wraps the tape around Harmell's leg splint, the entire splint is covered by tape when they lift him up the ladder, but when Harmell is carried out of the snorkel, there is much less tape - it's wrapped around the splint only 5-6 times.
Visible crew/equipment: While Johnny and Roy are with the unconscious man who ate daffodil bulbs, when the officer asks the bystanders to move back, the outlines of the lav mic transmitter and wire are visible on the back of the officer's shirt, when he turns around.
Heavyweight - S3-E5
Continuity mistake: At the structure fire, after Roy helps the pregnant woman down the stairs, when Johnny brings the O2 and blankets for her, we see that Johnny's wearing a SCBA tank with no markings. However, after Roy tells Johnny to take off, when Johnny hurts his shoulder, his tank has two large stickers - a white and a red.
Continuity mistake: When 51's guys are at the back of the station with The Old Engine, Johnny tries cranking it and his watch reads 5:20. Then after Squad 51 is dispatched to the heart attack, when Johnny's on the line with Rampart after defibrillating the patient his watch reads 11:15, then after administering atropine, his watch reads 2:30.
Continuity mistake: At the station, after Johnny has searched through a bunch of papers for the receipt for $8.42, when he gathers them up a yellow paper falls to the floor at his feet, just before Roy suggests putting them in alphabetical order. Then after Johnny stuffs the papers in an envelope and tosses the envelope in the garbage, the paper that fell on the floor has vanished.
Continuity mistake: When Johnny and Roy walk into Councilman Wilby's home, Wilby's wearing a buttoned up shirt and tie, and they place the O2 tank near his feet, but in Wilby's first three closeups the O2 tank is already behind the couch by his head and his shirt is unbuttoned with no tie, but in the wide shots Roy and Johnny haven't even made those changes yet.
Visible crew/equipment: During the structure fire, when Roy, Johnny and the security guard are in the upstairs room and Roy closes the doors, just as they start to walk toward the window, the moving shadow of the cameraman and camera are visible on the wall. The shadow is not moving in sync with the guys so we know it's not theirs.
Visible crew/equipment: When Johnny and Roy are with the woman who slipped down into an old abandoned well, the outlines of the lav mic transmitters are visible on the sides of their shirts - Johnny's at his left and Roy's at his right.
Visible crew/equipment: After Squad 51 is dispatched to a "man locked in a safe", when Johnny exits the squad and later when he gets back in, the outline of the lav mic transmitter is visible on the back of his shirt.
Continuity mistake: When Squad 51 is dispatched to a "man locked in a safe", at 1817 South Maplemoor, after the escape artist lets himself out of the safe, when Roy and Johnny head back to the squad the house address reads 4017.
Visible crew/equipment: On scene at the two vehicle accident, when Roy and Johnny are tending to the teenagers in the overturned car, the outlines of the mic transmitters and wires are visible on the sides of their shirts.
How Green Was My Thumb? - S3-E17
Visible crew/equipment: After Johnny rescues the man from the wine vat, when he and Roy lay the man down on the ground near the squad, the outlines of the lavalier mic transmitter and wire are visible on the back of Johnny's shirt.
How Green Was My Thumb? - S3-E17
Visible crew/equipment: When Johnny and Roy stop by Mrs. Johnson's home to water her plants, two actors' tape marks are visible on the floor by the door.
Continuity mistake: At the refinery fire, when Johnny and Roy are on the tower with the collapsed worker, Roy throws the line down to Truck 127's Snorkel for their gear, and as Roy pulls it up, the gear is tied up quite differently depending on the angle of the shot.
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.