1 - Jack Knight as Starman (with extra head, for goatee'd and non-goatee'd adventures)
2 - Jaime Reyes Blue Beetle
3 - Golden Age Starman
4 - Ditko / Charlton-Era The Question (Vic Sage)
5 - L-Ron (heh)
6 - The Shade
7 - Adam Strange
8 - The Creeper
9 - Shade the Changing Man, A.K.A. Rac Shade
10 - The Monitor
...and why don't we have a Jimmy Olsen yet?