MARIUS, _a Robot_ _Myrtland LaVarre_ HELENA GLORY _Kathlene MacDonell_ DR. GALL, _head of the Physiological and Experimental Department of R. U. R._ _William Devereaux_ MR. FABRY, _Engineer General, Technical Controller of R. U. R._ _John Anthony_ DR. HALLEMEIER, _head of the Institute for Psychological Training of Robots_ _Moffat Johnston_ MR. ALQUIST, _Architect, head of the Works Department of R. U. R._ _Louis Calvert_ CONSUL BUSMAN, _General Manager of R. U. R._ _Henry Travers_ NANA _Helen Westly_ RADIUS, _a Robot_ _John Rutherford_ HELENA, _a Robotess_ _Mary Hone_ PRIMUS, _a Robot_ _John Roche_ A SERVANT _Frederick Mark_ FIRST ROBOT _Domis Plugge_ SECOND ROBOT _Richard Coolidge_ THIRD ROBOT _Bernard Savage_ ACT I Central Office of the Factory of Rossum’s Universal Robots ACT II HELENA’S Drawing Room--Ten years later. Morning ACT III The same. Afternoon EPILOGUE A Laboratory. One year later Place: An Island. Time: The Future. DESCRIPTION OF CHARACTERS DOMIN: _A handsome man of 35. Forceful, efficient and humorous at times._ SULLA: _A pathetic figure. Young, pretty and attractive._ MARIUS: _A young Robot, superior to the general run of his kind. Dressed in modern clothes._ HELENA GLORY: _A vital, sympathetic, handsome girl of 21._ DR. GALL: _A tall, distinguished scientist of 50._ MR. FABRY: _A forceful, competent engineer of 40._ HALLEMEIER: _An impressive man of 40. Bald head and beard._ ALQUIST: _A stout, kindly old man of 60._ NANA: _A tall, acidulous woman of 40._ RADIUS: _A tall, forceful Robot._ HELENA: _A radiant young woman of 20._ PRIMUS: _A good-looking young Robot._ NOTE: _All the Robots wear expressionless faces and move with absolute mechanical precision, with the exception of_ SULLA, HELENA _and_ PRIMUS, _who convey a touch of humanity._ R. U. R. ACT ONE