Title: Phoebe Halliwell
Content:  Phoebe Halliwell is a fictional character from the American television series Charmed, played by Alyssa Milano from October 7, 1998, until May 21, 2006. The character was originally played by Lori Rom in the unaired pilot episode. However, Rom quit the series, and a new pilot was filmed with Milano in the role of Phoebe. The character was created by Constance M. Burge and is based on Burge herself. Phoebe is introduced into Charmed as the youngest sister to Prue (Shannen Doherty) and Piper Halliwell (Holly Marie Combs). She is one of the original featured leads and, more specifically, a Charmed Oneone of the most 
Title: List of Charmed characters
Content:  Phoebe Halliwell (played by Alyssa Milano) is the third sister who initially receives the power of premonition, which enables her to see into the past or the future. To make up for initially receiving a passive power, Phoebe develops martial arts skills to better assist her sisters when fighting evil. As the series progresses, she also gains the active powers of levitation and empathy and her premonitions become more powerful, enabling her to communicate with people in the future and share with other people. Phoebe starts out as the youngest and most rebellious of the sisters. Because of her free-spirited nature, she often comes into major conflicts with Prue but the two eventually mend their relationship. She later becomes the middle sister after Prue dies and the series introduces their younger half sister Paige. One of the recurring struggles for Phoebe is her attempt to find a career and true love. In the final season she falls in love and marries Coop, a cupid that was initially sent to her to find love.
Title: List of Charmed characters
Content:  Sophie, played by Amanda Sickler, made her first appearance during the season five episode "Sand Francisco Dreamin'". She is Phoebe's friend and assistant at The Bay Mirror and appears until the final season. When The Charmed Ones fake their deaths in the beginning of season eight, Sophie reveals the sincerity of her friendship with Phoebe while eulogizing her.
Title: List of Charmed characters
Content:  Jason Dean, played by Eric Dane, made his first appearance during the season five episode "Baby's First Demon". Jason is introduced into season five as a multi-millionaire and the new owner of The Bay Mirror, where Phoebe works. Phoebe is instantly attracted to him when they first see each other. Jason gets her to write an article about finding love over the internet and she meets a user online named "Cyrano73". Phoebe later meets "Cyrano73" in person and it turns out to be Jason. Jason eventually starts dating Phoebe and they continue dating in season six, where their relationship becomes more serious. Jason moves to Hong Kong for business and Phoebe goes with him. After 15 months of dating, Jason discovers Phoebe's secret identity as a witch by accident and unable to handle the revelation, breaks up with her.
Title: List of Charmed characters
Content:  Elise Rothman, played by Rebecca Balding, made her first appearance during the season four episode "The Fifth Halliwell". She is the editor and boss of  The Bay Mirror, where Phoebe] works as an advice columnist. When Elise first appears in Charmed, her advice columnist is Karen Young (Molly Hagan). At the time, Karen was infected by a demonic power, which made her hate Elise and want to kill her. Phoebe then took over for Karen and did her column. Afterwards, Karen tells Elise the truth about the column; Elise fires her and hires Phoebe in her place. The two start off with a professional, work relationship, often having verbal disputes about deadlines and what not. As the series progresses, they develop a unique bond as friends. When The Charmed Ones fake their deaths in the beginning of season eight, Elise openly admits that Phoebe is her best friend and considers her as the daughter she never had. Prior to playing Elise, Rothman played a minor role as another character in one episode of season 1.
Title: Charmed
Content:  Former Beverly Hills, 90210 actress Shannen Doherty was cast as the eldest sister Prue Halliwell, while her best friend at the time and former Picket Fences actress Holly Marie Combs played the role of the middle sister Piper Halliwell. Lori Rom was originally cast as the youngest sister Phoebe Halliwell in the 28-minute unaired pilot episode. However, Rom quit the series, and a new pilot was filmed with former Who's the Boss? actress Alyssa Milano in the role of Phoebe. Doherty departed Charmed at the end of the third season. Jennifer Love Hewitt and Tiffani Thiessen were both considered as replacements. The part ultimately went to film actress Rose McGowan, who played the long-lost younger half-sister Paige Matthews in the fourth season. In season one, Ted King was cast as the inspector Andy Trudeau, Dorian Gregory was cast as his inspector partner Darryl Morris, and Brian Krause was 
Title: Charmed (season 8)
Content: Alyssa Milano as Phoebe Halliwell ; Rose McGowan as Paige Matthews ; Holly Marie Combs as Piper Halliwell ; Kaley Cuoco as Billie Jenkins ; Brian Krause as Leo Wyatt 
Title: Phoebe Halliwell
Content:  her sisters "so skimpy", and noted that some of her memorable costumes included being a mermaid, "a leather-clad comic-book hero", and "topless on a horse." Levs also added that casting directors should pay attention because "Milano can act." A writer for MovieWeb described Phoebe as a "great, interesting, and relateable character." The writer also praised Milano for delivering an "incredibly convincing and believable performance", further adding that she "was another great casting choice" for Charmed. Hypable.com's Tariq Kyle felt that Phoebe was the best character on the show, adding "She's sweet and innocent in a lot of ways, but she's also strong and realistic. She's smart, but she's relatable. She still fails and makes mistakes, but she constantly grows."
Title: List of Charmed characters
Content:   Charmed is an American television series that was originally broadcast by The WB for eight seasons from October 7, 1998, until May 21, 2006. The series narrative follows a trio of sisters, known as the Charmed Ones, the most powerful good witches of all time, who use their combined Power of Three to protect innocent lives from evil beings such as demons and warlocks. Each sister possesses unique magical powers that grow and evolve, while they attempt to maintain normal lives in modern-day San Francisco. The main characters of the first three seasons were Prue (Shannen Doherty), Piper (Holly Marie Combs) and Phoebe Halliwell (Alyssa Milano). After Doherty departed from the series in 2001, resulting in her character's death, she was replaced by Rose McGowan as the long-lost younger half-sister Paige Matthews from the fourth season onwards. The following list only contains characters that appeared in five or more episodes.
Title: Charmed
Content:  the series progresses, she also gains the active powers of levitation and empathy. Phoebe is introduced into Charmed as the youngest and most rebellious of the Halliwell sisters. However, her progression as a witch helps her become more responsible and grow as a person. Phoebe later becomes the middle sister after Prue dies and the series introduces their younger half-sister Paige (Rose McGowan). Phoebe was initially a college student for the first few seasons, and later becomes an advice columnist for the newspaper company The Bay Mirror. ; Rose McGowan as Paige Matthews (seasons 4–8), the youngest half-sister who initially receives the power to move objects with 

Question: who was originally cast as phoebe on charmed?
Answer: Lori Rom.