Arthur

Dudley Moore

Arthur Bach

Liza Minnelli

Linda Marolla

John Gielgud

Hobson

Geraldine Fitzgerald

Martha Bach

Jill Eikenberry

Susan Johnson

Stephen Elliott

Burt Johnson

Ted Ross

Bitterman

Barney Martin

Ralph Marolla

?

Thomas Barbour

Stanford Bach

Anne DeSalvo

Gloria

?

Marjorie Barnes

Hooker

?

Dillon Evans

Plaza Maitre D'

?

Maurice Copeland

Uncle Peter

Justine Johnston

Aunt Pearl

?

Paul Vincent

Plaza Waiter