Anne Schedeen, the actress best known for playing Kate Tanner—“ALF’s mom”—on NBC’s sitcom ALF, has died at age 77. Multiple outlets report that Schedeen portrayed the Tanner family matriarch in the series from 1986 to 1990. Deadline reports the family announced her death and said she “passed peacefully,” with a tribute posted on her Facebook; Deadline also notes that a cause of death was not immediately known. Other coverage likewise describes her as a well-known TV actress whose most prominent role was on ALF. Daily Mail and Mail Online add that she appeared across the show’s run, citing a total of 101 episodes over four seasons. The Hollywood Reporter includes details from a social media tribute describing her personal interests and qualities, but does not provide additional verified information about the cause of death. Overall, sources agree on her age, her signature ALF role, the timeframe of the show, and that the family publicly announced her passing.