Her mother Elza Gyuleseryan was an associate professor of stage speech at Yerevan Institute of Theater and Fine Arts.

After graduating from school N78, Lala Mnatsakanyan entered the Yerevan Institute of Theater and Fine Arts.

Mnatsakanyan was a co-author of the first and to-date only tutorial “The Art of Teaching Stage Speech” written in Armenian.

[1] 1975 – Smeraldina “Servant of Two Masters” Carlo Goldoni 1976 – Augustina “Eight Women” Robert Thomas 1978 – Giza “King Arlequin” Rudolf Lothar 1979–1980 – Rosalia Pavlovna “The Bedbug” Vladimir Mayakovsky 1979–1980 – Mezalyapsova “The Bathhouse” Vladimir Mayakovsky 1979–1980 – Gertrude “William Tell Has Sad Eyes” Alfonso Sastre 1979 – Polly “The Threepenny Opera” Bertolt Brecht 1979–1980 – Sonya “Uncle Vanya” Anton Chekhov 1980 – Lika “Two sisters” Armen Zurabov 1984 – Vera “The bench” Alexander Gelman 1982 – Armine “Beroyan family” Zhora Sarksyan 1982 – Anahit “Horovel” Gevorg Sarksyan 1983 – Marina "Finding Joy" Viktor Rozov 1983 – Princess “The Twelve months” Samuil Marshak 1986 – Presenter “Blue Horses on Red Grass” Mikhail Shatrov 1987 – Ninuccia “Christmas at the Cupiello's” Eduardo De Filippo 1989 – Lisa “Save our souls” Anahit Aghasaryan 1991 – Sorrentino “Widows’ Comforter” G. Marotta and B. Randone 1995 – Eva “Ungrateful men” ("Love till death") Aldo Nicolaj 1995–1996 – Mary “Willy, Titi, Jig” Anahit Aghasaryan 2004 – Graciela “Love rebuff to the man sitting in armchair” Gabriel García Márquez 2009 – Filumena “Filumena Marturano” Eduardo De Filippo 2012 – Mother “The Mother” Karel Čapek 1982–1983 – Lusik “Barsegh aga and others” Hagop Baronian 1983 – Policeman “Brave Nazar” L. Miridzhanyan 1984 – Janet “In the name of land and sun” Ion Druţă 1984 – Mary “God help us” Jackson 1984 – Masha "Look, who's come!"

Vladimir Arro 1984 – Varya “Anton and Others” Aleksei Kazantsev 1986 – Hasmik “Aralez” Aghasi Ayvazyan 1989 – Nargiz “Leaven” Avetis Aharonyan 1994 – Vera “The bench” Alexander Gelman 1983 – Hasmik “Peak of courage” Lalayants 1983 – Anna “Groom from forest” Hrachya Kochar 1983 – Nene “The Memoir of A Cross-Stealer” Raffi 1984 – Gladiator “Stranger” Chalikyan 1984 – Dulcinea del Toboso “Don Quixote” Miguel de Cervantes 1986–1987 – Prince “The Prince and the Pauper” Mark Twain 1991 – Swan “The Laughing Matter” William Saroyan 1992–1997 – Comic miniatures 1992–1997 – “Voice of the Greats” 1996 – Lala “Our yard 1” 1997 – Seller at flower store “Favourite songs 1” 1998 – Café owner “Favourite songs 2” 2005 – Lala “Our yard 3” 2021 – Lala “Our yard 25 year later” 2010 – Lala “Our yard” 2015-2016 – “With the Whole Family” 2016-2017 – “Golden School” 2021 – “Unfinished Road” 2022 – “Guests from the past” 2000 – “Fairy tales” Hovhannes Tumanyan 2001 – “Prometheus Bound” Aeschylus 2002 – “Musical Farce” Lala Mnatsakanyan 2007 – “Funny miniatures” Hagop Baronian 2012 – “The Mother” Karel Čapek 1997 – “You bet” Comedy program 1998–2001 – “What's new?” Comedy musical program 2002–2003 – “Lala & Harut” Comedy program 2004–2007 – “To be continued” TV serials-miniatures 2008 – “No lie, No truth” 2008 – “The Master and Margarita” 2009 – “Hidden talent” 2010 – “Football” 2011 – “The Present” National Cinema Center of Armenia 1977 – First award for the republican competition of readers 1978 – All-union competition of masters of artistic word named after Yakhontov 2004 – International festival of mono-performances “Armmono2” – award in nomination “Artistic skills” for Gabriel Garcia Marques play “Love reproof to the man sitting in armchair” or “Happy marriage like hell...” 2004 – Given an academic rank of associate professor in the specialty “dramatic art” and “cinematography” 2005 – Kyiv International festival of mono-performances “Vidlunnya” – awards in nominations “Best actress” and “Audience sympathy” for Gabriel Garcia Marques play “Love reproof to the man sitting in armchair” or “Happy marriage like hell...” 2006 – Honored Artist of Armenia 2008 – Given an academic rank of “professor” in the specialty “dramatic art” and “cinematography” 2012 – "Belaya Vezha" International Theatre festival in Brest – “Audience sympathy” for Karel Chapek play "The Mother"