Al is seen by Jessica Elroy. This is the ninth and final episode of the series in which he is seen by someone other than Sam. He was previously seen by Teresa Bruckner in Another Mother - September 30, 1981 (1990), Maggie Dawson in The Leap Home: Part 2 (Vietnam) - April 7, 1970 (1990), Michael Blake in A Little Miracle - December 24, 1962 (1990), Maria in Last Dance Before an Execution - May 12, 1971 (1991), Tibby Johnson and two other mental patients in Shock Theater - October 3, 1954 (1991), several young children in Justice - May 11, 1965 (1991), Angelita Carmen Guadalupe Cecelia Jimenez in It's a Wonderful Leap - May 10, 1958 (1992) and Laura Fuller in Trilogy: Part 1 - August 8, 1955 (1992).
Larry Manetti, the bookie threatening Martin, co-stars in Magnum, P.I. (1980), another of Donald P. Bellisario's successful TV projects.
In the scene in the hallway, the actor who plays Rick on Magnum is wearimg the team insignia ring from the show. He's only wearing it once and making a point to show it in the scene.