Title: I Love Lucy
Content:  various characters ; Jerry Hausner as Ricky's agent Jerry (also Joe in "Lucy Does a TV Commercial") ; Doris Singleton as Carolyn Appleby (she was originally named Lillian; but after Singleton's first appearance in "The Club Election", her name was changed to Carolyn) ; Shirley Mitchell as Marion Strong, a role originated by Margie Liszt ; Elizabeth Patterson as Mrs. Matilda Trumbull (also Mrs. Willoughby in the earlier episode "The Marriage License") ; Bob Jellison as Bobby the Bellboy in the Hollywood episodes (also Milkman in the earlier episode "The Gossip")  Gale Gordon and Bea Benaderet, supporting cast members on My 
Title: Elizabeth Patterson (actress)
Content:  In 1952, at the age of 77, Patterson made her first appearance on the hit CBS-TV sitcom I Love Lucy in the episode "The Marriage License". In that installment, Patterson's character, Mrs. Willoughby, is the wife of the Greenwich, Connecticut, justice of the peace (played by character actor Irving Bacon) who remarries Lucy and Ricky Ricardo. In that role, she most notably sings an off-key version of "I Love You Truly" during the wedding ceremony. The following year she was cast in a featured guest role as Mrs. Matilda Trumbull in the episode "No Children Allowed". Patterson's character of Mrs. Trumbull 
Title: I Love Lucy
Content: Lucille Ball as Lucille Esmeralda "Lucy" McGillicuddy Ricardo ; Desi Arnaz as Enrique Alberto Fernando y de Acha "Ricky" Ricardo III ; Vivian Vance as Ethel Mae Potter Mertz (alternately "Ethel Louise" and "Ethel Roberta") ; William Frawley as Frederick "Fred" Hobart Mertz ; Richard Keith as Enrique Alberto Ricardo IV ("Ricky Ricardo Jr.") ; Twins Mike Mayer and Joe Mayer both played "Little Ricky" as a toddler ; Kathryn Card as Lucy's mother Mrs. McGillicuddy (also Minnie Finch in the earlier episode "Fan Magazine Interview") ; Mary Jane Croft as Betty Ramsey and various characters ; Frank Nelson as Freddie Fillmore 
Title: Elizabeth Patterson (actress)
Content:  continued in the role for three more years, often serving in episode storylines as a convenient babysitter for "Little Ricky". In the fall of 1956, with I Love Lucy in its final season, Patterson made her last appearance as Mrs. Trumbull in "Little Ricky Learns to Play the Drums". Her character was mentioned one last time in the 1957 episode "Lucy Raises Chickens". In that installment, Fred and Ethel decide to follow the Ricardos and move to Connecticut to be near them, and Mrs. Trumbull's sister moves into 623 East 68th Street to manage the apartment building for the Mertzes.
Title: I Love Lucy
Content:  I Love Lucy is an American television sitcom that originally aired on CBS from October 15, 1951, to May 6, 1957, with a total of 180 half-hour episodes, spanning six seasons. The show starred Lucille Ball, her then real-life husband, Desi Arnaz, along with Vivian Vance and William Frawley. The series followed the life of Lucy Ricardo (Ball), a young, middle-class housewife living in New York City, who often concocted plans with her best friends, Ethel and Fred Mertz (Vance and Frawley), to appear alongside her bandleader husband, Ricky Ricardo (Arnaz), in his nightclub. Throughout the show, Lucy is depicted trying numerous schemes to mingle with and be a part of show business. After the series ended in 
Title: Elizabeth Patterson (actress)
Content:  Mary Elizabeth Patterson (November 22, 1874 &ndash; January 31, 1966) was an American theatre, film, and television character actress who gained popular recognition late in her career playing the elderly neighbor Matilda Trumbull on the television comedy series I Love Lucy.
Title: I Love Lucy: The Movie
Content: Lucille Ball as Lucille Esmeralda "Lucy" McGillicuddy Ricardo / Herself ; Desi Arnaz as Enrique Alberto Fernando "Ricky" Ricardo y de Acha III / Himself ; Vivian Vance as Ethel May Mertz (née Potter) / Herself ; William Frawley as Frederick Hobart "Fred" Mertz / Himself ; Ann Doran as Audience member ; Mary Wickes (archive footage) as Madame Lemand ; Barbara Pepper (archive footage) as Party guest 
Title: I Love Lucy
Content:  to strain her friendship with Lucy. Actress Barbara Pepper, who was a close friend of Ball, was also considered for the role. The two had a long history together, as Pepper had been one of the Goldwyn Girls who came to Hollywood with Lucy in 1933. Pepper was ruled out by Lucy and Desi because she too had a drinking problem like Frawley. Vivian Vance became a consideration on the recommendation of Lucy director Marc Daniels. Daniels had worked with Vance in New York on Broadway in the early 1940s. Vance had already been a successful stage star performing on Broadway for nearly 20 years in a variety 
Title: I Love Lucy
Content:  Originally set in an apartment building in New York City, I Love Lucy centers on Lucy Ricardo (Lucille Ball) and her singer/bandleader husband, Ricky Ricardo (Desi Arnaz), along with their best friends and landlords, Fred Mertz (William Frawley) and Ethel Mertz (Vivian Vance). During the second season, Lucy and Ricky have a son named Ricky Ricardo Jr. ("Little Ricky"), whose birth was timed to coincide with Ball's real-life birth of her son, Desi Arnaz Jr. Lucy is naïve and ambitious, with a zeal for stardom and a knack for getting both herself and her husband into trouble whenever she yearns to make it 
Title: I Love Luci
Content: Camilla Rutherford as Marjorie ; Colin Harris as Tommy ; Wilson the dog as Luci ; Martin Docherty as Scumbag ; Leo Horsfield as Sidekick ; Sanjeev Kohli as the chemist ; Jimmy Chisholm as the dentist 

Question: who played mrs. trumbull on i love lucy?
Answer: Mary Elizabeth Patterson.