Having an Animation Blueprint open when rendering a movie using "Render CustomDepth Pass" via Sequencer causes the Animation Blueprint Preview to be rendered rather than the cine camera actor set in sequencer.
Result:
Please See "336977-main2finalimage0148.png"
Expected:
Please See "336976-main20068.png "
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-74342 in the post.