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- Cheryl Ladd (Annie Get Your Gun, 10 January 2001)
- Harriette Lake by Alex Gard (Housed in the Billy Rose Theatre Collection of the New York Public Library)
- Nathan Lane
- Angela Lansbury
- Laura La Plante by Alex Gard (Housed in the Billy Rose Theatre Collection of the New York Public Library)
- Ring Lardner by Alex Gard (Housed in the Billy Rose Theatre Collection of the New York Public Library)
- Bert Lahr
- Fritz Lang
- Dick Latessa (Hairspray, around 23 May 2003)
- Dan Lauria
- Gertrude Lawrence by Alex Gard (Housed in the Billy Rose Theatre Collection of the New York Public Library)
- Jerome Lawrence and Robert E. Lee
- Lawrence Shubert Lawrence by Don Bevan (Housed in the Billy Rose Theatre Collection of the New York Public Library)
- Joe Lisi
- Gavin Lee (Mary Poppins, August 31, 2007)
- Michele Lee (December 14, 2006)
- Guy LeBow
- John Leguizamo
- Charles LeMaire by Alex Gard (Housed in the Billy Rose Theatre Collection of the New York Public Library)
- Jack Lemmon by Don Bevan
- Edna Leedom by Alex Gard (Housed in the Billy Rose Theatre Collection of the New York Public Library)
- Alexander Leftwich by Alex Gard (Housed in the Billy Rose Theatre Collection of the New York Public Library)
- Margaret Leighton
- Lotte Lenya
- Mervyn LeRoy by Alex Gard (Housed in the Billy Rose Theatre Collection of the New York Public Library)
- Michael Shawn Lewis (The Phantom of the Opera, 25 September 2002)
- Norm Lewis (The Gershwins' Porgy and Bess, 1 June 2012)
- Beatrice Lillie
- Max Lief by Alex Gard (Housed in the Billy Rose Theatre Collection of the New York Public Library)
- Judith Light
- Mayor John Lindsay
- John Lithgow
- Lucy Liu
- Tony LoBianco
- Joshua Logan
- Anita Loos by Alex Gard
- Robert Loraine by Alex Gard (Housed in the Billy Rose Theatre Collection of the New York Public Library)
- Peter Lorre by Alex Gard (Housed in the Billy Rose Theatre Collection of the New York Public Library)
- Bessie Love by Alex Gard (Housed in the Billy Rose Theatre Collection of the New York Public Library)
- Myrna Loy by Richard Baratz
- Ernst Lubitsch
- Susan Lucci (Annie Get Your Gun, 8 April 2000)
- Patti LuPone
- Wanda Lyon by Alex Gard (Housed in the Billy Rose Theatre Collection of the New York Public Library)
- Bert Lytell by Alex Gard (Housed in the Billy Rose Theatre Collection of the New York Public Library)
Read more about this topic: List Of Caricatures At Sardi's Restaurant