David Soul's character calls casino manager Pappas, played by Andreas Katsulas "better than a one arm bandit". A couple years later, Kasulas played "Sykes", the man with one arm in "The Fugitive".
Richard Portnow is best known for playing one of gangsta Vince LaRocca associates in Sister Act (1992)
J Michael Straczynski created and wrote Babylon 5, Andreas Katsulas also played a starring character in Babylon 5.
The pianist is playing "Strangers in the Night" at the first party Jessica attends when she gets to Las Vegas. Frank Sinatra popularized the song and was one of the original Rat Pack members who frequently performed at the casinos there.