Visible crew/equipment: After Mr. Howarth confronts his son about the pills his daughter took, when Dixie walks up and tells him that he can see Monica, the actor's tape mark is visible on the floor, at Dixie's feet.
Visible crew/equipment: When Roy and Johnny are working on freeing the man trapped in the vehicle, and then when they are taking his vitals, the outlines of the mic transmitters and wires (running up toward their shoulders) are visible on the back of Roy's and Johnny's shirts. The mic transmitter's outline is also visible on the left side of Christy's sweater, below the waistline.
Continuity mistake: When Christy walks into Station 51's kitchen, the bag strap is on her shoulder, but close-up it is gone, only to be back next shot when she removes it a moment later.
Continuity mistake: The shaving foam on DeSoto's face changes between the face-on shots and the reflection shots, and in the reflection he shaved from cheek to chin, but in face-on shots only to the neck.
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.