Mercedes Mason, born Mercedes Masöhn, is a Swedish-American actress known for her versatile performances in television and film. She rose to prominence for her roles as Zondra in the popular series Chuck, Isabel Zambada in The Finder, and as Louise Leonard in 666 Park Avenue. Mason has also showcased her talent in the horror genre with her portrayal in Quarantine 2: Terminal and Fear the Walking Dead, where she played the character Ofelia Salazar. In addition to her successful television career, Mason has portrayed DEA Special Agent Talia Del Campo in NCIS: Los Angeles and Captain Zoe Andersen in The Rookie. Her acting prowess extends to the big screen, with roles in films such as The Break-Up and Three Veils.Born in Linköping, Sweden, Mason moved to the United States at the age of 12 and was raised in the Chicago area. She is fluent in English, French, Spanish, and Farsi. In 2014, she married actor David Denman, with whom she shares two children. Mason is also a naturalized U.S. citizen, having taken the citizenship test in April 2016. With her impressive acting skills and multilingual abilities, Mercedes Mason continues to captivate audiences worldwide with her compelling performances.

Mercedes J. Ruehl, born on February 28, 1948, is a distinguished American actress with a remarkable career spanning across screen, stage, and television. She has received numerous prestigious accolades, including an Academy Award, a Golden Globe Award, a Tony Award, a Drama Desk Award, two Obie Awards, and two Outer Critics Circle Awards. Ruehl is widely recognized for her outstanding performances in renowned productions such as Lost in Yonkers (1990) and The Fisher King (1991). With a diverse filmography, she has showcased her talent in movies like Big (1988), Married to the Mob (1988), and Hustlers (2019). Ruehl's journey to success began in New York City, where she honed her skills in off-off Broadway productions before making her mark in regional theater and eventually on Broadway. Her personal life has been marked by significant events, including her marriage to painter David Geiser, with whom she adopted a son, Jake. Ruehl's dedication to her craft and her impactful performances have solidified her status as a respected figure in the entertainment industry.

Carlotta Mercedes Agnes McCambridge (March 16, 1916 – March 2, 2004) was an acclaimed American actress known for her versatility in radio, stage, film, and television. Renowned for her powerful voice and compelling performances, she was hailed by Orson Welles as "the world's greatest living radio actress." McCambridge's impressive career included a range of notable roles, earning her an Academy Award for Best Supporting Actress in her screen debut in "All the King's Men" (1949) and a nomination for the same category in "Giant" (1956). Notably, she voiced the majority of dialogue for the demon Pazuzu in the iconic film "The Exorcist" (1973). McCambridge's talent and dedication were evident across various mediums, from her early days in radio to her memorable appearances in television and film, such as her role in "Johnny Guitar" (1954) and her collaboration with Orson Welles in "Touch of Evil" (1958). With a career marked by remarkable achievements and indelible contributions to the entertainment industry, Carlotta McCambridge remains a celebrated figure in the history of acting.

Mercedes Ritchie Lackey, born on June 24, 1950, is a prolific American writer known for her captivating fantasy novels, many of which are set in the enchanting world of Velgarth, particularly in and around Valdemar. Lackey's works intricately weave human and non-human protagonists from diverse cultures and social backgrounds. Her stories often unfold in a world akin to Earth but teeming with secretive populations of elves, mages, and vampires. Notably, she has authored over 140 books, showcasing her remarkable creativity and storytelling prowess. Lackey's tales delve into themes of ecology, social hierarchy, and gender dynamics, offering readers a thought-provoking and immersive experience. Her writing has garnered widespread acclaim, earning her the title of one of the "most prolific science fiction and fantasy writers of all time." In 2021, she was honored as the 38th Damon Knight Grand Master, a testament to her enduring impact on the literary world.Born in Chicago, Lackey's early encounters with science fiction literature fueled her passion for writing. She attended Purdue University, where she honed her skills and discovered her love for fan fiction. Throughout her career, Lackey has remained actively engaged in various literary communities, including filk and the Society for Creative Anachronism. Moreover, she and her husband, Larry Dixon, have been involved in raptor rehabilitation, reflecting her diverse range of interests beyond writing. Despite her initial stance on fan fiction,

María de las Mercedes of Orléans, born on 24 June 1860 in Madrid, was the first wife of King Alfonso XII of Spain. Tragically, her life was cut short at the age of 18 due to typhoid fever, just five months and three days into their marriage. Despite her brief reign, Queen Mercedes left a lasting impact, inspiring folk songs and a 1958 film depicting her romance with Alfonso XII. Her legacy also includes the initiation of the construction of the Cathedral of la Almudena in Madrid and the town of Reina Mercedes in the Philippines being named in her honor. Her untimely death led Alfonso XII to marry her sister, María Cristina, who also succumbed to illness. In late 1879, he married Archduchess Maria Christina of Austria-Teschen, with their first child being named in honor of Queen Mercedes. Her remains were re-interred at the Cathedral of la Almudena in Madrid in 2000, following her widower's wishes. Queen Mercedes' story is one of love, tragedy, and enduring influence, shaping both Spanish and Philippine history.