Question: Who is the mother of Bess Armstrong and Fred McCarren's co-star in "How To Pick Up Girls"?

Context paragraphs:
Second Sight (film): Second Sight is a 1989 comedy film from Warner Bros., starring John Larroquette, Bronson Pinchot, Stuart Pankin and Bess Armstrong.  In the film, a paranormal detective (Larroquette), a psychic (Pinchot) and a nun (Armstrong) search the streets of Boston, Massachusetts for a missing person who has allegedly been kidnapped.

Mixed Blessings (film): Mixed Blessings, also known as Danielle Steel's Mixed Blessings, is a 1995 NBC television film directed by Bethany Rooney.  The film is based upon the 1985 novel of the same name written by Danielle Steel.  It contains three stories of couples who are facing parenthood for the first time.  Scott Baio, Bess Armstrong, Gabrielle Carteris, and Bruce Greenwood lead the all-star cast.

Getting Married (film): Getting Married is a 1978 TV movie directed by Steven Hilliard Stern, written by John Hudock, and starring Richard Thomas, Bess Armstrong, and Mark Harmon.  A man falls in love with a newscaster and attempts to win her heart before she weds another man.

Married People: Married People is an American television sitcom that aired on ABC as part of its 1990–91 schedule.  Jay Thomas and Bess Armstrong led the ensemble cast.

The Four Seasons (1981 film): The Four Seasons is a 1981 romantic comedy film written and directed by and starring Alan Alda, co-starring Carol Burnett, Len Cariou, Sandy Dennis, Rita Moreno, Jack Weston and Bess Armstrong.

11th Victim: 11th Victim is a 1979 American made-for-television crime drama directed by Jonathan Kaplan and starring Bess Armstrong and Max Gail.

Forgotten Sins: Forgotten Sins was a 1996 television movie based on Lawrence Wright's "New Yorker" articles and his book "Remembering Satan", which was in turn based on the actual case of Paul Ingram.  It originally aired on the ABC Network on March 7, 1996.  It starred William Devane as Dr. Richard Ofshe, "a role to which William Devane brings his customary bristling panache" wrote Dorothy Rabinowitz in the Wall Street Journal.  John Shea also starred as Matthew Bradshaw, a fictional character based on Paul Ingram.  Bess Armstrong also appeared in this film, portraying Roberta 'Bobbie' Bradshaw, a character based on Sandy Ingram. " Doogie Howser"'s Lisa Dean Ryan co-starred.

Desi Arnaz Jr.: Desi Arnaz Jr. (born Desiderio Alberto Arnaz IV; January 19, 1953) is an American actor and musician.  He is the son of Lucille Ball and Desi Arnaz.

How to Pick Up Girls: How To Pick Up Girls is the 1978 made for TV movie filmed on location in New York City starring Desi Arnaz Jr. Bess Armstrong and Fred McCarren.

The Boogens: The Boogens is a 1981 American horror film directed by James L. Conway and starring Rebecca Balding, Fred McCarren, Anne-Marie Martin and Jeff Harlan.  The title refers to scaly turtle-like monsters that are released from an abandoned and boarded up silver mine to wreak havoc.

Supporting paragraphs: How to Pick Up Girls Desi Arnaz Jr.
Answer: Lucille Ball