Arthur is a thirty-year-old child who will inherit 750 million dollars if he complies with his family's demands and marries the woman of their choosing.
Dudley Moore, Liza Minnelli, John Gielgud, Geraldine Fitzgerald, Jill Eikenberry, Stephen Elliott, Ted Ross, Barney Martin, Thomas Barbour, Anne De Salvo, Marjorie Barnes, Dillon Evans, Maurice Copeland, Justine Johnson, Paul Vincent, Mary Alan Hokanson, Paul Gleason, Phyllis Somerville, Irving Metzman, Joe Doolan, John Doolan, Melissa Ballan, Florence Tarlow, Lou Jacobi, Gordon Press, Bob Maroff, Marcella Lowery, Jerome Collamore, Mark Fleischman, Helen Hanft, John Bentley, Raymond Serra, Peter Evans, Dominic Guastaferro, Phil Oxnam, Richard Hamilton, George Riddle, Lawrence Tierney, Bobo Lewis, B. Constance Barry, Kurt Schlesinger, Steve James, Mark Margolis