Visible crew/equipment: After Cora is rescued from the cactus patch, when Harry annoys her and tells her to keep a stiff upper lip while she's lying on the gurney, the reflections of crew members and two reflector screens are visible on Harry's red bike helmet.
Visible crew/equipment: When Johnny and Roy help Cora crawl along the ladder from the cactus patch located in a secluded area, just as Johnny tells her to take it nice and slow, the camera moves a bit too far to the left and then shifts back to the right, but not before we are able to see a crew member, equipment and a large patio-style umbrella.
Visible crew/equipment: When Roy treks across the ladder to get to the woman in the cactus patch, the outlines of the lav mic transmitter and wire are visible at the back, right side of Roy's shirt. Then, when Johnny's on the Biophone with Rampart, the outline of the mic transmitter is visible at the back, left side of Johnny's shirt.
Visible crew/equipment: At the liquor store shooting site, when the second gurney is loaded into the ambulance, the outlines of the mic transmitter and wire are visible on the back, left side of Johnny's shirt.
Visible crew/equipment: After the sniper surrenders, Captain Stanley instructs Engines 12 and 51 to come to the rear of the building, and a few shots later the camera moves alongside Engine 12 as it's turning the corner. In this specific shot, up ahead we are able to see set lighting (including moleeno-style array lights), equipment, crew and actors (in the blue paramedic uniforms), some sitting on chairs in front of the parking attendant's booth (which was shot at by the sniper during the scene).
Visible crew/equipment: After the police officer is shot by the sniper, when Roy and Johnny run with their equipment and duck down behind the squad car, the outlines of the mic transmitter and wire are visible on the back of the Sergeant's shirt, as Johnny and Roy are given flak vests.
Visible crew/equipment: When Roy and Johnny are with the sick dancer at the bar, the outlines of the mic transmitter and wire are visible on the back of Roy's shirt.
Visible crew/equipment: When Station 51 responds to the photographer who fell in the lion's pit, the outlines of the lav mic transmitters and wires are visible on the backs of Johnny's and Roy's shirts.
Visible crew/equipment: After Art tells Johnny that a film about paramedics is passé, but he'll invite him to the doll movie premiere, Johnny walks over to the ambulance, and the outline of the mic transmitter is visible on the back of Roy's shirt, at his right.
Visible crew/equipment: When Station 51 is dispatched to a man over the cliff, while en route there's a shot from the top of Engine 51, with the dome light in front of the camera, and the reflection of the covered camera, which is mounted on the engine's roof, is visible in the dome light's chrome surface.
It's How You Play the Game - S4-E19
Visible crew/equipment: When Johnny and Roy get the car salesman out of the car with the tiger, and when Johnny gets into the ambulance with him, the outline of the mic transmitter is visible at the side of Johnny's shirt.
Visible crew/equipment: When Roy, John, and Vic are inside stage 3 trying to outrun Charlene, Roy starts climbing down the first ladder, and we can see equipment moving right beside Roy, then when Roy climbs back up and they find the second ladder, more movement can be seen at the bottom of the screen.
Visible crew/equipment: When Station 51 is dispatched to the structure fire, just as Engine 51 rolls out of the apparatus bay, the reflections of the location shoot's array lighting and two reflector screens are visible on the side of the engine.
Visible crew/equipment: After Chet's disappearing half-dollar trick, when Squad 51 is dispatched to the gunshot wound, as Roy and Johnny get into the squad numerous set lights are reflected on the squad's chrome spotlight.
Camera Bug - S4-E10
Visible crew/equipment: After Johnny tries to take Chet's picture beside the map, when Captain Stanley walks from the office to the back of Squad 51, the reflection of crew/equipment are visible on the back of the squad.
Visible crew/equipment: After the rescue on the draw bridge, when Squad 51 gets back to the station Roy goes to the backyard and sits in the sports car, and in this shot just as we hear Johnny's footsteps, on the Land Rover's window we can see the reflection of a crew member who is moving backwards.
Visible crew/equipment: In the locker room, after Chet tells Johnny that he knew all about the practical joke, when they walk to the door together there's a quick glimpse of the cameraman's reflection on the door's glass, before John tells Chet about the fictitious five dollar bill down by Mike's locker.
Visible crew/equipment: When Roy and John get back to the station, and Marco walks up to the squad to talk to the guys about the practical joke they're going to play on Chet, on the squad's spotlight we can see the reflection of the camera, which is in front of the map.
Visible crew/equipment: When Brackett walks out of his office, Betty walks over to him and asks if it's okay to go to Dixie for help with the nurses' scheduling problem, and the bulging outline of the mic transmitter is visible on the back of her uniform, directly under its zipper.
Visible crew/equipment: When deciding how to rescue Cora from the middle of the cactus patch, Mike parks Engine 51 at the side of the road, beside the hill with the cactus. During the rescue there are closeups of Cora's husband standing beside Engine 51, and we see other things reflected on the engine instead of just the side of the hill. Additionally, his position in the closeups differs from where he stands in the wideshots.
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.