My Last Day - S1-E24
Visible crew/equipment: When Dr. Kelso is walking and talking with J.D. and Dr. Cox, notice the glass with the Zofran poster in back of them. You can see the camera guy, boom mic and a crew member with the white shirt walking backwards. (00:15:10)
Answer: This is an American comedian called Scott Thompson, more widely known by his stage name of "Carrot Top".
Tailkinker ★