Continuity mistake: When Roy and John are talking to Vic at his party, his manager's cigar changes length repeatedly, from short to long and back again, depending on the camera angle.
Visible crew/equipment: When Roy and Johnny are with Vic (Adam West) trying to outrun the bear, the outlines of the mic transmitter and wire are visible on the back of Johnny's shirt.
Revealing mistake: When Station 51 is dispatched to the bomb threat, just as they roll up on scene, in this specific POV the corner edges of the screen are blacked out due to the lens that was used, but when it cuts to other angles it's gone, then it reappears with that POV. We see it three times.
Continuity mistake: When Dixie tells Roy and John that Vic wants to see them the guys walk into treatment 2, but in the shot from inside the room we can see that they're actually in treatment 3, on the opposite side of the hall.
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.
Continuity mistake: After Roy and Vic run out of Stage 3, when Johnny backs up and bends down, we can see Charlene, the bear, on all fours, then in the next shot the bear is walking on her hind legs toward the door, but in the next shot from behind Johnny the bear is still on all fours and further back again.
Visible crew/equipment: After Station 51 is dispatched to the bomb threat, when the squad and engine pull into the alley, just as Roy stops the squad, the reflection of the cameraman/camera are visible in the spotlight's chrome surface.
Visible crew/equipment: When Roy and Johnny enter stage 3 to search for both Vic and the bear, just after Johnny and Roy split up, as the camera moves forward in Johnny's direction, the moving shadow of the cameraman/camera are visible on the filing drawers, to the left.
Visible crew/equipment: After Squad 51 is dispatched to a man injured at the movie studio, just as they reach the studio, in the shot from the back of the squad, the reflection of cameraman is visible on the lightbar atop the squad.
Transition - S4-E15
Visible crew/equipment: When the three victims of the accident are all in treatment 2 with Morton, in the wide shot just as Brackett, Early, Roy, John, and Gil walk in, at the top of the screen we can see the boom mic dipping down into view.
Transition - S4-E15
Visible crew/equipment: When Dixie and Carol stand in the ER hallway, talking about the three accident victims coming in and being swamped, there are two tape marks on the floor near their feet, where Carol and the other nurse were standing just before Dix walked over.
Transition - S4-E15
Visible crew/equipment: At the amusement park, when Johnny, Roy, and Gil climb up to the ride that is stuck, the outlines of the mic transmitters and wires are visible on the backs of Johnny's and Gil's shirts during the rescue.
Transition - S4-E15
Visible crew/equipment: When Roy and Johnny find the two puncture marks, from the snakebite, on the unconscious man's leg, the outlines of the lav mic transmitter and wire are visible on the back, left side of Johnny's shirt. It's also visible on the back of Roy's shirt after he is hit with the cobra venom, and on the back of Gil's shirt when he brings in the defibrillator.
Transition - S4-E15
Visible crew/equipment: After Johnny and Roy arrive at the amusement park where the boy was injured on the go-kart, when the guy who runs the go-kart track walks over to Roy and Johnny, the outline of the mic transmitter is visible on the back of his shirt, and moments later it's also visible on the left side of Johnny's shirt. Also, when the guys scare the second boy with the huge needle, as he runs away the outline of the mic transmitter is visible on the back of the boy's vest.
Transition - S4-E15
Continuity mistake: When Gil's in the basket ride at the amusement park, while Captain Stanley swings the line that Johnny's hanging on, in the closeups the open cage door is facing Johnny, but in the long shot looking up the basket's open door is on the opposite side, and Johnny would not have been able to enter it as easily.
Transition - S4-E15
Continuity mistake: When Roy walks into the ER with the chemical burn patient they rescued from a kitchen filled with hydrogen sulfide, Dixie tells them treatment 1 which has a windowless door, but in the shot from inside the room the door has a window, and we can tell it's treatment 3 they're in.
Transition - S4-E15
Continuity mistake: After Brackett and Johnny try to convince Gil that he's not responsible for the MI patient's death, when Johnny walks out of the treatment room he says he's going to check on Roy, and as he opens the door we can tell that he's in the room across from the nurses' station. Then when he and Roy leave the treatment room where Early had examined Roy, we can see that it's the very same treatment room that Johnny had just been in with Brackett.
Transition - S4-E15
Continuity mistake: When Gil is assigned to ride along with Squad 51, en route to the incidents there are only two people seated in the squad in the shots shown.
Transition - S4-E15
Continuity mistake: After Gil and Johnny have lowered the man from the amusement park ride, Gil, who's wearing the backpack, rappels down first and reaches the ground. Then when Johnny hooks in and rappels down, there's a shot of what is supposed to be Johnny rappelling down, but it's actually a shot of Gil, because it was Gil who was wearing the backpack.
Transition - S4-E15
Visible crew/equipment: At the start of the episode, when Captain Stanley leans over to hang up the telephone and walks out of his office, the outlines of the lavalier mic transmitter and wire are visible on the back, left side of his shirt.
Answer: I was rewatching a few first season episodes of Charlie's Angels (1976), and in S1xE6 "The Killing Kind," I recognized the same actor. So, to finally fully answer your question, the two baseball players in School Days are played by Rod Perry and Sean Fallon Walsh.
Super Grover ★