Visible crew/equipment: When Brice and his partner see Brackett and he starts talking to Brackett about the regulations regarding reporters, as they walk down the hallway the actor's tape mark is visible on the floor behind them, where Bracket had been standing.
Visible crew/equipment: When the guys wake up in the morning and walk into the kitchen, the clear reflection of the camera dolly is visible on the oven glass door as it trucks to the right, when the guys see the empty mouse trap.
Visible crew/equipment: When Johnny and Roy are on their way to the parade in The Old Engine, in close-ups facing them, the reflection of a crew member's hand holding camera equipment is visible on the hood of the engine.
Visible crew/equipment: At Rampart, Johnny and Roy step out of the elevator and walk down the hallway discussing the inheritance, and when Roy bends down at the water fountain the outlines of the lav mic transmitter, wire and even the dark strap (that holds the transmitter) around his waist are visible on the back of his shirt.
Visible crew/equipment: When ready to transport the teenagers from the crash, the bulging outline of the mic transmitter is visible on the back of Roy's shirt, when Roy tells Captain Stanley they're ready to go. The outline of the mic transmitter is visible on the back of Johnny's shirt, when he looks for his HT and is bitten by the rattler.
Visible crew/equipment: When all the guys get back to Station 51 and walk quietly to see the cat on Johnny's bed, the actor's black tape mark is visible on the floor beside the bed.
Visible crew/equipment: After the explosions at Rampart, when Dixie runs out of the hospital with the gurney and reaches Brackett, the outlines of the mic transmitter, wire, and even the dark strap (that holds the lav transmitter) around her waist are visible on the back of Dixie's uniform.
School Days - S2-E14
Visible crew/equipment: During the rescue at the auto wrecking yard, when DeSoto says that he's going to get the backboard and the splint, the outlines of the mic transmitter and wire are visible on the back of DeSoto's shirt as he's bending over.
School Days - S2-E14
Visible crew/equipment: When DeSoto puts down the Biophone at the auto wrecking yard, the outlines of the mic transmitter and wire are visible on the back of Gage's shirt as he bends over.
School Days - S2-E14
Visible crew/equipment: At the auto wrecking yard, when Billy is with the man trapped in the car, Gage tosses the tourniquet and bandages to Billy, and when Billy turns around the outlines of the mic transmitter and wire are visible on the back of his shirt.
Visible crew/equipment: When Roy and Johnny are on the high school roof with the unconscious 15 yr old girl, the outline of the mic transmitter is visible on the back of Johnny's shirt when he kneels down and sets up the Biophone, and the outline of the mic transmitter is also visible on the back of Roy's shirt after he places the label on the isoproterenol.
Visible crew/equipment: When Gage and DeSoto are on the football field with Steve, the quarterback, the outlines of both the mic transmitter and wire are visible on Gage's shirt as he helps Steve sit down on the gurney. Then when DeSoto takes Steve's blood pressure, the outlines of both the mic transmitter and wire are also visible on the back of DeSoto's shirt.
The Tycoons - S5-E23
Visible crew/equipment: At the chemical plant fire, when Gage is covered in the flammable pentane, Chet hoses him down. When Marco says "John, you better stay here, " Chet and Marco head off. In the next shot, when the camera pans quickly to the left of the blaze, one crew member wearing jeans and a white shirt stands behind the firemen, and another crew member wearing a grey shirt crouches at the side.
The Tycoons - S5-E23
Visible crew/equipment: At the chemical plant fire all the plant personnel are evacuated. When Gage yells that one of the valves blew, and that he's covered in the flammable pentane, the camera spins around and a crew member is visible on the right side of the screen, just as Captain Stanley and DeSoto walk up and pass him.
The Tycoons - S5-E23
Visible crew/equipment: After the alley's dumpster fire has been put out by Phyllis, when Captain Stanley tells Marco to wash it down, two tape marks and one T-mark are all visible on the ground.
Visible crew/equipment: When the guys are looking at the vitamins that Chet brought for them 51's tones drop, and as they leave the kitchen the two actors' T-marks are visible on the floor where Mike and Marco had been standing.
Visible crew/equipment: After Captain Stanley tells the guys about the doctor who's doing the diet/nutrition study, when they leave to check the new refinery hydrants, the actor's T-mark is visible on the floor where DeSoto had been standing. Also note that DeSoto is wearing slippers when he stands up. It happens again later, he's wearing slippers with no socks when Morton is talking to the guys about stress and diet.
Visible crew/equipment: When Gage and DeSoto are on their first run (the mother-in-law), they phone Rampart's base station. When Dixie opens the door to answer the call, her mark (strip of black tape) is visible on the floor just as she steps on it.
Loose Ends - S6-E12
Continuity mistake: When DeSoto unbuttons the police officer's shirt, one of the clear, round, self-adhesive pads is already on his chest, before DeSoto places any of the ECG electrodes.
Other mistake: After Johnny is hit by the car Roy kneels down beside him and shouts, "Trauma box!" but the subtitles read, "Code box!" There is no code box. Subtitles from Universal Studios 2010 DVD.
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.