The start of Djimon Hounsou's multi-episode arc playing Mobelajeh, the Nigerian refugee and victim of torture.
No words are spoken in the first scene, prior to the opening credits.
Strauss, the med student that Carter discovers has Hodgkin's disease, is played by actor David Hornsby. Hornsby plays the character Rickety Cricket on It's Always Sunny in Philadelphia and is also a writer and producer for the show.