Visible crew/equipment: When Oliver jumps out of the window of Adam Hunt's office, you can see the safety rope at the bottom.
Visible crew/equipment: When Slade brings the drink in the forest (referring to Billy Wintergreen), you can see shadows of people walking upstairs in the background behind a big white curtain. (00:07:30)
Suggested correction: It's not a crew member, it's wind.
Left Behind - S3-E10
Visible crew/equipment: During a flashback with Oliver and Maseo, they are on a rooftop trying to break in to the building next door by means of the pulley system on the bow. Maseo is shown lining up a shot with his sniper and in the background one can see a crew member's face looking over his shoulder. (00:13:30)
Suggested correction: There are other ARGUS agents with Oliver and Maseo. That is one of them.
Visible crew/equipment: While the camera is moving from Black Canary and Speedy to Spartan you can see on the ground the shadow of the camera man walking. (00:33:45)