School Days - S2-E14
Visible crew/equipment: When Chet is driving the crane at the wrecking yard, just as we hear Captain Stanley say, "Swing it in," we see Marco standing atop the cars, with the moving crane in front of Marco. The position of the camera is at the back of the pile of cars, and there is an outstretched hand at the top of the screen blocking the glare for the camera, which is tilting upwards.
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 Lav mic transmitter and its cable 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 its cable 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 its cable are visible on the back of his shirt.
School Days - S2-E14
Visible crew/equipment: While Dixie, Roy, and Billy are walking away from the nurses' station down the hallway, the outlines of the mic transmitters and wires are visible on the back, center of Dixie's uniform, and the back, right sides of Roy's and Billy's shirts.
School Days - S2-E14
Visible crew/equipment: When Roy walks into the kitchen late at night, while Billy's alone on the couch studying about emergency medicine, there are moving shadows on the floor towards the left of the screen.
School Days - S2-E14
Visible crew/equipment: When Squad 51 gets pulled over to help the guy with a snake on his stomach, just as Johnny reaches over to take the broom from Billy, the outline of the lav mic transmitter is visible on the back of Johnny's shirt.
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.