ANDREW GIBSON, a piano factory owner

NORA GORODNA, a piano tester and socialist labor organizer

MR. MIFFLIN, a socialist journalist

CARTER, an elderly factory worker

FRANKEL, a young Jewish factory worker

SHOMBERG, a factory worker

SIMPSON, an elderly factory worker

SALVATORE, an Italian factory worker

RILEY, a truck driver

ELLA, Mr. Gibson's housemaid

MRS. SIMPSON, wife of Simpson

MRS. COMMISKEY, wife of a worker (offstage voice)

POLENSKI, a worker

FIRST WOP and SECOND WOP, workers