Fair Fight - S6-E5
Visible crew/equipment: At Rampart, when Dr. Bracket, DeSoto and Gage are discussing the Hubbards while walking down the hall, two T-marks become visible on the floor behind them when they turn the corner.
Fair Fight - S6-E5
Visible crew/equipment: While John's trapped with the two men in the cave-in, he digs and finds the opening to the pipe, and when he starts shouting up to Roy, the cameraman's knee/leg is right beside John's left hand, at the lower right corner of the screen. It really is.
Fair Fight - S6-E5
Visible crew/equipment: After Roy and Johnny get back to the station the other guys tell them to check the dog to see if he's sick, and when Roy checks Henry's pupils and Johnny checks his pulse, all the guys are standing behind Johnny and Roy., and we can see the shadows of crew movement in the kitchen at the top right corner of the screen.
Fair Fight - S6-E5
Visible crew/equipment: After the cave-in rescue, when Dixie, DeSoto and Gage are in the ER, Gage washes his face and as he comments that he wasn't cut out to be a mole, two tape marks are visible at his feet.
Fair Fight - S6-E5
Visible crew/equipment: When Johnny and Roy get back to the station and walk into the day room, right after Marco says, "Well, either he's sick, or he's the laziest dog ever lived," we can see the shadow of the boom mic moving back and forth across the top of the wall, on the right.
Fair Fight - S6-E5
Visible crew/equipment: At the cave-in site with the trapped men, when Johnny is up top and also when he's being lowered down to the men, the bulging outline of Johnny's mic transmitter is visible on the front, left of his shirt, right above his belt.
Fair Fight - S6-E5
Visible crew/equipment: When Roy and Johnny are at Rampart after their third run to the battling couple's home, the outline of the mic transmitter can be seen on the front, left side of Roy's shirt, over his belt.
Fair Fight - S6-E5
Visible crew/equipment: During the structure fire, when we see Engine 15 drive toward and then pass the camera, the large reflection of the location's array lighting is visible on the surface of the engine.
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.