The VOIDRUNNER'S CODEX is coming! Explore new worlds, fight oppressive empires, fend off fearsome aliens, and wield deadly psionics with this comprehensive boxed set expansion for 5E and A5E!
Yes, you can always cast, move, then touch in the same round.
The big reason for doing that is to get the spell cast without an AoO, then to move up and do your touch. Handy both for attacks and for healing someone in the thick of melee.