dr who from 2 dr whos ago if you follow me.(the invisible bloke from Heroes) would make a good roland.
john malkovick (spelling) as tick tock. falling that as a roont character based on his role in of mice and men.
That bloke from flash gordon (who could fly, if i remember correctly) got a beard and is kinda large. Brain blesid perhaps. probly wrong, anyway, as the voice of Blaine the mono. If you know who i mean tis impossible to disagree.
dont know why but i would like the kid from 2 and a half men as Jake.
*not dark tower but anyway. the undertaker from his hells angel days (wwf wrestler)as armand st. peirre form black house, name may be wrong, but its been a long time since i read it.