Deborah Rush (born April 10, 1954) is an American actress. She has worked in television, film and on Broadway. In 1984, she was nominated for a Tony Award for Best Performance by a Featured Actress in a Play for Michael Frayn's comedy Noises Off. She also acted in Stephen Adly Guirgis' The Last Days of Judas Iscariot. In 2003 she acted in the comedy film American Wedding, as Mary Flaherty, Michelle Flaherty's mom. In December 2008, she joined the cast of the Broadway revival of Blithe Spirit.
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| 2018 | Accommodations as Victoria Maason |
| 2016 | Women Who Kill as Grace |
| 2015 | Ava's Possessions as Joanna |
| 2012 | Rhymes with Banana as Jane |
| 2009 | Kutu as Clymene Steward |
| 2009 | Julie & Julia as Avis De Voto |
| 2008 | Fling as Katherine |
| 2008 | Misafir as Upper Eastside Woman |
| 2007 | The Good Life as Diane |
| 2006 | Yarım Öğretmen as Jo Dunne |
| 2006 | Strangers with Candy as Sara Blank |
| 2003 | Amerikan Pastası: Düğün as Mary Flaherty |
| 2002 | Gizli Ortak as Mrs. Peterson |
| 2002 | İyi Bir Kız as Gwen Jackson |
| 1999 | Aşk Üçgeni as Lenore |
| 1999 | Gönüllü Rehine as Heidi Anderson |
| 1999 | Advice From a Caterpillar as Diner Hostess |
| 1998 | Mesajınız Var as Veronica Cash |
| 1997 | Vücut Dili as Ava Blazer |
| 1995 | Reckless as Trish |
| 1992 | Passed Away as Denise Scanlan |
| 1992 | Unnatural Pursuits as Stephanie Didcot |
| 1990 | Mavi Cennetim as Linda |
| 1989 | Dişi Şeytan as 'People Reporter |
| 1989 | Aile Bağları as Michele Dempsey |
| 1989 | Parents as Mrs. Gladys Zellner |
| 1988 | Büyük Karışıklık as Binky Shelton |
| 1987 | Penn & Teller's Invisible Thread as Dr. Norris |
| 1986 | Heat as D.D. |
| 1985 | A Midsummer Night's Dream as Hermia |
| 1985 | Compromising Positions as Brenda Dunck |
| 1985 | Kahire'nin Mor Gülü as Rita |
| 1983 | A Night in Heaven as Patsy |
| 1983 | Zelig as Lita Fox |
| 1982 | Split Image as Judith |
| 1982 | Alice at the Palace as Alice's Mother |
| 1981 | Honky Tonk Freeway as Sister Mary Magdalene |
| 1981 | Kiss Me, Petruchio as Bianca |
| 1979 | 10 as Dental assistant |
| 1978 | Oliver'in Hikayesi as Girl in Bar |
| 1977 | Charles Ives: A Good Dissonance Like a Man |
| The Next Big One: A Comedy with Three Potential Problems as Aunt Mitty |
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