Scott Bakula would subsequently star on Star Trek:Enterprise. A number of actors who appeared on Quantum Leap also made appearances on various Star Trek TV series. Most notably, Terry Farrell who co-starred on Star Trek Deep Space Nine, and Robert Duncan McNeill who co-starred on Star Trek Voyager each made guest appearances on Quantum Leap.
Sam has leaped into nine women.
Sam Beckett is revealed to have attended MIT, and his friend and guide Al Calavicci is mentioned to have also spent some time there.
Al Calavicci drives two different Ferraris in the series: in Quantum Leap: Genesis: Part 1 - September 13, 1956 (1989), he is in a red 1987 Testarossa (which is shown from very low angles so as to keep the identity of the car hidden), and in Quantum Leap: Killin' Time - June 18, 1958 (1992), he is driving a rare 1981 Berlinetta convertible.
Al's call-sign (pilot nickname) is "Bingo".
In the episode "Catch a Falling Star - May 21, 1979" Ernie Sabella plays Manny who in "Man of La Mancha" plays Sancho Panza. Many years later Sabella played the role of Sancho in the Broadway revival of the show.