
Visible crew/equipment: While rescuing the invalid, when Roy climbs out of the second floor window he suffers an electrical shock, and when he falls in the closeup we can see the crash mat that he lands on when part of it flips up from the force of his weight. Also note that all the shrubs below the window have vanished.

Visible crew/equipment: After Karen, the new trainee, goes to the waiting room to speak to the elderly patient's wife, when Dixie walks over to Roy and Johnny to ask how she's doing, the outlines of the mic transmitter and wire are visible on the back of Dixie's white uniform.

Visible crew/equipment: After Roy is electrocuted and falls from the second floor window, when Karen runs over to him and starts CPR, the bulging outline of the mic transmitter is visible on the back of Karen's white uniform.
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 ★