Question: Romance Theatre is a 30-minute American anthology television series produced for first-run syndication by Courtship Productions, guest stars included which American actress, author and philanthropist whose career spanned six decades of television?

Context paragraphs:
John Forsythe: John Forsythe (born either John Lincoln Freund or Jacob Lincoln Freund; January 29, 1918 – April 1, 2010) was an American stage, film/television actor, producer, narrator, drama teacher and philanthropist whose career spanned six decades.  He also appeared as a guest on several talk and variety shows and as a panelist on numerous game shows.

Doris Roberts: Doris Roberts (born Doris May Green; November 4, 1925 – April 17, 2016) was an American actress, author and philanthropist whose career spanned six decades of television.  She appeared as a guest on many talk and variety shows, along with appearing as a panelist on several game shows.  She was an advocate of animal rights and animal-rights activism, supporting groups such as the United Activists for Animal Rights.  Doris Roberts also studied acting at The Neighborhood Playhouse School of the Theatre in New York City.

Romance Theatre: Romance Theatre is a 30-minute American anthology television series produced for first-run syndication by Courtship Productions.  A total of 83 episodes aired from 1982-83.  The show was hosted by Louis Jourdan.  Guest stars included Millie Perkins, Doris Roberts, Annie Potts, Janis Paige, Lyle Waggoner, and Chuck Woolery.

Chevron Theatre: Chevron Theatre is a US 30 minute filmed television anthology series, produced by MCA/Revue Productions for first-run syndication.  A total of 105 episodes aired from 1952 to 1954.  Among its guest stars were Natalie Wood, Raymond Burr, Bonita Granville, Buddy Ebsen, Mona Freeman, Craig Stevens (actor), Tommy Rettig, Carolyn Jones, Barbara Billingsley, and Peter Graves.

Barbara Bel Geddes: Barbara Bel Geddes (October 31, 1922 – August 8, 2005) was an American actress, artist, and children's author, whose career spanned six decades.  She was best known for her starring role in the television drama series "Dallas" as matriarch Miss Ellie Ewing.  Bel Geddes also starred in the original Broadway production of "Cat on a Hot Tin Roof" in the role of Maggie.  Her notable films included Alfred Hitchcock's "Vertigo" (1958) and "I Remember Mama" (1948).  She was the recipient of several acting awards and nominations throughout her career.

Lawbreakers (TV series): Lawbreakers, aka Lee Marvin Presents Lawbreaker, is a 30-minute American docudrama crime anthology series.  It was produced by Rapier Productions in association with United Artists Television for first-run syndication.  Hosted and narrated by Lee Marvin, its stories were dramatizations and re-enactments of actual criminal cases.  Thirty-two episodes were aired between 1963 and 1964.

Crown Theatre with Gloria Swanson: Crown Theatre with Gloria Swanson is 30 minute weekly American anthology series produced by Bing Crosby Productions.  It was filmed in New York City and aired from 1952–55 on WPIX.  Gloria Swanson served as the hostess for the series.  Its guest stars included Vera Miles, Bonita Granville, Barbara Billingsley, Bobby Driscoll, Marjorie Lord, Hans Conreid, Denver Pyle, and Gigi Perreau.

Sure as Fate: Sure as Fate is a 60-minute American anthology mystery drama series that aired on CBS from 1950–51.  It was produced live and was narrated by Paul Lukas.  Its guest stars included Robert Cummings, E.G. Marshall, Kim Stanley, John Carradine, Douglas Fairbanks, Jr., Leslie Nielsen, and Marsha Hunt.  Among its directors was later-to-be movie star, Yul Brynner.

The Schaefer Century Theatre: The Schaefer Century Theatre is a 30-minute American television anthology series sponsored by Schaefer Beer.  A total of fourteen episodes aired in first-run syndication in 1952.  Among its guest stars were Natalie Wood, Bonita Granville, Garry Moore, Billy Gray, and Ruth Warrick.

Medallion Theatre: Medallion Theatre, aka Chrysler Medallion Theatre, is a 30-minute American anthology series that aired on CBS from July 11, 1953 to April 3, 1954.  A total of thirty episodes aired live from New York.  Henry Fonda (in the premiere telecast "The Decision of Arrowsmith"), Claude Rains, and Janet Gaynor made their major television dramatic debuts on this series in various 1953 episodes.  Others guest stars included Helen Hayes, Charlton Heston, Ronald Reagan, Jack Lemmon, Rod Steiger, and Roddy McDowell.  Among its writers were Rod Serling and Robert Anderson.  Directors included Ralph Nelson, Don Medford, Robert Stevens, and Seymour Robbie.  The producer was William Spier.

Supporting paragraphs: Romance Theatre Doris Roberts
Answer: Doris Roberts