Victor Garber credited as playing...
Dr. Martin Stein
- Sara Lance: So this crap hole is Earth X?
- Oliver Queen: Wells was right.
- Barry Allen: He usually is.
- Alex Danvers: I can't believe a place like this exists. On any earth.
- Dr. Martin Stein: I wish I shared your sentiment, but in all my travels to distant times. One thing sadly remains constant is man's ability to feel hatred for other men.