Biff McGuire is an American actor who was born in New Haven, Connecticut on 25 October 1926. His career spans over 50 years.

At one time did story lines for TV's "Mr. Peepers" with Wally Cox and has written a couple of plays on the sly.

Biff and Jeannie performed together for much of their career, including a 15-year stint with the Seattle Repertory Theatre.

Nickname of "Biff" evolved while playing football in his early years.

In the sailor chorus of the original Broadway version of "South Pacific," he met future singing wife Jeannie Carson when both were cast in "Finian's Rainbow" in 1960. They married that same year and toured in 1961's "Camelot" with Biff as "Arthur" and Jeannie as "Guinevere."

Became interested in acting during WWII service while stationed in England. Made his debut in the first production of William Saroyan's "The Time of Your Life" directed by Peter Glenville.

Was twice nominated for Broadway's Tony Award as Best Actor (Featured Role - Play): in 1997 for "The Young Man from Atlanta," and in 2002 for a revival of "Morning's at Seven."