Mackenzie Phillips Exposes 'One Day At A Time' Set Friction With Costar Richard Masur

Mackenzie Phillips is reflecting on the behind-the-scenes friction that took place during the early days of her iconic 1970s sitcom. Joining her former television sister Valerie Bertinelli on an episode of Bertinelli’s *Getting Naked* podcast, the actress opened up about a specific costar who proved difficult to get along with on set. Phillips admitted that her working relationship with Richard Masur was rocky when the CBS hit first began production. Speaking candidly about the atmosphere during the early episodes, the star noted that Masur was less than welcoming toward her while they shared the screen.

Who Did Mackenzie Phillips Clash With On One Day At A Time?

The classic sitcom, created by legendary TV executive Norman Lear, premiered in 1975 and centered on single mom Ann Romano, played by the late Bonnie Franklin. Phillips and Bertinelli starred as Ann's teenage daughters, Julie and Barbara Cooper, navigating life after their parents' divorce. Masur was brought on during the debut season to play David Kane, a divorce attorney who eventually became Ann's fiancé. However, his stint on the beloved show was relatively brief, as he exited the main cast after the first season when the characters officially ended their romance.

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How Did Mackenzie Phillips And Richard Masur Make Peace?

Although their initial interactions were strained, Phillips confirmed that the bad blood did not last forever. She revealed that she later reconnected with Masur years after his departure from the series, giving the former costars a chance to clear the air. According to Phillips, Masur took accountability for his past attitude during their unexpected reunion. She recalled him acknowledging his past missteps, admitting that while he could not remember the exact words spoken, he was genuinely sorry for how he acted and commended her talent. *One Day at a Time* ultimately aired for nine seasons on CBS before wrapping its memorable run in 1984. Decades later, the cast members continue to look back on the groundbreaking series, proving that even long-standing Hollywood set feuds can eventually be put to rest.