middle of heavy traffic. James and Mollie run to reach him and take him to safety, where Mikey unofficially asks James to be his father by saying his first word, "Da-da". James and Mollie realize that Mikey already sees James as his father and they decide to give it a chance, kissing passionately while Mikey considers telling them he needs a new diaper. Nine months later, Mollie gives birth to her and James' daughter and Mikey's half-sister Julie, complete with her own inner voice. Cast John Travolta as James Ubriacco Kirstie Alley as Mollie Jensen George Segal as Albert Olympia Dukakis as Rosie Twink Caplan as Rona Joy Boushel as Melissa Abe Vigoda as Grandpa Vincent Ubriacco Christopher Aydon as Mikey (age 2 years) Jacob Haines as Mikey (age 1 year) Jaryd Waterhouse as Mikey (4 months) Jason Schaller as Mikey (fetus-newborn) Voices Bruce Willis as the voice of Mikey Joan Rivers as the voice of Julie (under the pseudonym of "Baby Guess") (uncredited) Production As related by Violet Ramis Stiel in her book Ghostbuster’s Daughter: Life With My Dad, Harold Ramis, her biography of her father Harold Ramis, Ramis once told her that the character of Albert was based on him, as Ramis and Heckerling had a secret affair that resulted in a child. Reception The film received mixed reviews. On Rotten Tomatoes, it has a score of 55% based on 38 reviews, with an average rating of 5.4/10. The critical consensus reads: "Look Who's Talking holds some appeal thanks to its affable stars and Amy Heckerling's energetic direction, but a silly script doesn't allow wit to get a word in edgewise". At Metacritic, which assigns a weighted average score out of 100 with reviews from mainstream critics, the film received an average score of 51 based on 15 reviews, indicating "mixed or average reviews". Audiences polled by CinemaScore gave the film an average grade of "A" on an A+ to F scale. Look Who's Talking was a surprise hit, opening at number one in the United States with $12,107,784 in its opening weekend and staying at number one for five weekends with grosses over $10 million each weekend. It eventually grossed $140,088,813 domestically and a worldwide total of $296,999,813, making it Travolta's most successful film in eleven years since Grease, the fourth highest-grossing movie of 1989, and Columbia TriStar's highest-grossing film overseas, surpassing Kramer vs. Kramer. The film