Visible crew/equipment: After we see Marco and Captain Stanley heading up to the roof, it cuts to a shot in the elevator when Roy says "The firemen are working as hard and as fast as they can, to get us down from here," and the crew's moving shadow can be seen on the left, where the camera is located at the elevator doorway.
Continuity mistake: When John and Roy rappel down together after John's rope kinked up, as they reach the bottom Roy and John remove their helmets, but as Wally rappels down both paramedics still have their helmets on in the overhead shot.
Continuity mistake: After Early tells Dr. Ned that he thinks he has mononucleosis, when Early leaves the room, the nurse that's in the room with Dixie walks away from the patient to the other side of the room, but in Dr. Ned's closeups that nurse is still standing behind him while he talks to Dixie.
Visible crew/equipment: At the site of the back hoe accident, after the ambulance arrives, when the father of the girl who's trapped under the back hoe gets up and starts walking away from Roy, the reflection of set array lighting is visible on the surface of Squad 51.
Visible crew/equipment: During the back hoe rescue, the outlines of Johnny's and Roy's mic transmitters alternate between being visible at the front and sides of their shirts.
Visible crew/equipment: Near the end of the episode, when Charlie hitches up The Boat to his pickup truck and drives it away, the reflection of the array set lighting is visible on the pickup's door.
Continuity mistake: When the Coast Guard chopper reaches The Boat that ran aground off Catalina, during the rescue Roy and Johnny are seen wearing water-type shoes, not their uniform shoes.
Visible crew/equipment: When the guys are at the gas station with the broken pump nozzle, after Marco and the stretcher are loaded onto the ambulance, the reflection of the location array lighting can be seen on the back of the ambulance, when Johnny shuts its doors.
Visible crew/equipment: When Chet tells Roy that Captain Stanley wants to see him in the office, a tape mark is visible on the floor in front of Cap, just as he tells Roy not to tell the other guys, and then when Roy asks what happened.
Continuity mistake: When Station 51 is dispatched to the 'man trapped between two buildings', Roy is not wearing a watch when he and John head out on the lines between the buildings and also when they get back on the roof, but during the actual rescue while on the lines, both stunt guys are wearing watches on their wrists.
Continuity mistake: When Station 51 is dispatched to 'man down' at Hotel Potter, the address is given as 11876 Fishburn, between MacArthur and West 7th, but when the squad and engine are in front of the building, the corner street signs read Trenton and Parkview.
Visible crew/equipment: After Roy and John get back to the station, Chet informs Roy that Captain Stanley wants to talk to him, and when Roy's in the office the actor's tape mark is visible on the floor, as Cap tells him not to tell the other guys and when Roy asks what happened.
Visible crew/equipment: After their shift is over, all the guys wait in the apparatus bay for Captain Stanley to come out, and when Medford walks over to them, an actor's tape mark beside Chet's foot and another near Marco's foot are visible on the floor. Then when Cap walks out, another tape mark is visible on the floor in front of Mike's foot.
Welcome to Santa Rosa County - S6-E10
Continuity mistake: During the rescue of the injured rock climbers, the stunt guys for Johnny and Roy are dressed similarly to their counterparts, except for their boots - the styles and colors are entirely different.
Welcome to Santa Rosa County - S6-E10
Continuity mistake: When Johnny and Roy find the slings, swami belts and carabiners in the sheriff's trunk, Roy takes an orange sling and Johnny takes a dark green sling, both take swamis and biners, and they start their climb. However, while they're climbing Johnny has an additional light green sling and a yellow chest harness, and Roy has an additional purple chest harness.
Welcome to Santa Rosa County - S6-E10
Continuity mistake: When Roy and Johnny are searching the sheriff's trunk and find the slings, swami belts and carabiners, Johnny takes hold of the green sling, but next shot it's suddenly swung diagonally around his neck and arm.
Welcome to Santa Rosa County - S6-E10
Continuity mistake: When Roy and Johnny are climbing to get to the injured climbers, once Roy reaches the boys he goes off belay in the closeup, but in the long shots (with the stunt guys) Roy is still locked off on the rope, and then we hear Roy say, "Johnny, give me a little more slack," though in the closeup he's not even attached.
Visible crew/equipment: When the psychiatrist comes to help at Station 86, as she leans over to clean the man's head wound, the bulging outline of the lav mic transmitter is visible on the back of her blouse.
Visible crew/equipment: At Station 86, when the woman brings in her asthmatic son, and talks to Johnny outside, the bulging outline of the mic transmitter is visible on the back of her blouse. Then later, when Johnny walks over to the boy's bed because the patients are being moved to the chopper, the bulging transmitter outline is now at her side.
Paper Work - S6-E11
Continuity mistake: When Johnny and Roy are with the boy who is stuck in the storm drain, note that the shoes both paramedics are wearing are flat bottom, dark grey, water-type shoes, and not their regular black uniform shoes. Then, when the boy is lying on the grass, Johnny's in his uniform shoes, though Roy is still in those water-type shoes.
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.