Cupo's motion picture credits include Split Decisions (with Stephen Rowe), Blood and Concrete (with Nicholas Worth), Trouble Bound, Small Time, Killer Bud, The 4th Tenor (with Hamilton Camp and Richard Libertini), One Last Ride and The Dukes (with Joseph Campanella). Cupo guest-starred in the Superboy episode "Out of Luck". Salome Jens and Sherman Howard were cast members on the series.