Born in St. Louis, MO. Former child model who moved into TV films after a fiery performance as the sweet, but possessed, teenager Regan MacNeil in William Friedkin's THE EXORCIST (1973). Blair has since returned to the big screen, mostly in exploitation films. Notable credits include AIRPORT 1975 (1974), ROLLER BOOGIE (1979), HELL NIGHT (1981), CHAINED HEAT (1983), RED HEAT (1985), ZAPPED AGENT and REPOSSESSED (both 1990), BEDROOM EYES II (1991), FATAL BOND (1992), PHONE and BAD BLOOD (both 1993), SKINS and DOUBLE BLAST (both 1994), SORCERESS (1995), SCREAM (as an uncredited obnoxious reporter) and PREY OF THE JAGUAR (both 1996), MARINA (1997), THE BLAIR BITCH PROJECT (1999), HITTERS ANONYMOUS (2005), and ALL IS NORMAL and THE POWDER PUFF PRINCIPAL (both 2006).

The Exorcist (1973)

Nominated for Supporting Actress 1973: THE EXORCIST 1 nomination