Margo Winkler is an American actress, who often played minor roles as receptionists, clerks or judges. She is known for her minor roles in several of Martin Scorsese's films which her husband Irwin Winkler produced. She is best known for her roles in Goodfellas (1990) as Belle Kessler and as the receptionist in The King of Comedy (1983) whom Robert De Niro's character approaches on numerous occasions. She is also known for her role as Barbara in Life as a House (2001). She made her screen debut in 1970 in Stuart Hagmann's The Strawberry Statement. In 1999 she appeared in her son Charles Winkler's picture Rocky Marciano, and her last appearance was in 2006 in her husband Irwin Winkler's Home of the Brave as a waiting room mother.
- Eagan, Daniel (January 2010). America's Film Legacy: The Authoritative Guide to the Landmark Movies in the National Film Registry. A&C Black. p. 802. ISBN 978-0-8264-2977-3.
- Grist, Leighton (30 January 2013). The Films of Martin Scorsese, 1978-99: Authorship and Context II. Palgrave Macmillan. p. 89. ISBN 978-1-4039-2035-5.
- Roberts, Jerry (5 June 2009). Encyclopedia of Television Film Directors. Scarecrow Press. p. 626. ISBN 978-0-8108-6378-1.