Brian F. O'Byrne
is on board for the second season of Showtime's acclaimed
, premiering in the fall. O'Byrne, who grabbed his Tony for
(and also netted a nod for
), will play Colin Carr, a cousin of the Caffree brothers who gets embroiled in Michael's criminal world.
Also per Showtime,
will be back for
The L Word
's fifth season (unspooling in January 2008), while
will return as Iraq-war vet Tasha;
premieres June 17;
Season 3 begins in August; and
Season 2 arrives in the fall.