That's a great question! I don't understand why this fine film hasn't received a Region "A" Blu-ray release unless there are some kind of rights or film elements issue we don't know about.
It's a personal favorite of mine too for this reason. Unlike my parents, my maternal grandfather wasn't a big movie person and this was one of the few times he took me to the movies.
Hold on to your hat, if and when you watch "No Way Out".:) Richard Widmark was one mean bigot in that movie. Widmark felt the need to apologize to Sidney after some of their scenes. They became good friends and did a few other movies together.
In my Disc library:
No Way Out: Eureka Blu-ray Region B
Red Ball Express: Kino Blu-ray
Blackboard Jungle: DVD & iTunes HD Digital
Edge of the City: DVD & iTunes HD Digital
Band of Angels: DVD & iTunes HD Digital
Something of Value: DVD
The Defiant Ones: Eureka Blu-ray Region B
A Raisin in the...