Collins received some stage time in the drama earlier this year, when he played Tom Wingfield during the period in between the dismissal of the original Tom, Dallas Roberts, and the first performance of Roberts' replacement, Christian Slater.
Slater is still with the show, as is Jessica Lange as the genteel, yet overwhelming Southern Belle mother Amanda Wingfield and Sarah Paulson as the crippled and cripplingly shy Laura Wingfield.
Negotiations are underway with an actor who will follow Lucas and Collins in the Gentleman Calle role.
David Leveaux directs. Natasha Katz executes the show's often expressionistic lighting, with Jon Weston doing sound, and Tom Pye fashioning the period costumes. Pye also provides the spartan set: a couch, a lamp, a phonograph, a typewriter, and, of course, Laura's menagerie. Particularly prominent in Pye's design are a black metal fire escape (euphemistically called a porch by the family) and an apartment-dividing lace curtain.