[2] When Prince was a senior at Cornell University, he left to act in The Taming of the Shrew as part of a Federal Theatre tour.

[2] Early in Prince's career, he supplemented his limited income from acting in summer stock productions in Pennsylvania by photographing children professionally.

Other films Prince appeared in include Alfred Hitchcock's Family Plot (1976), The Gauntlet (1977) with Clint Eastwood, Spies Like Us (1985) with Chevy Chase and Dan Aykroyd and The Paper (1994).

He understudied "Charlie" in the Broadway production of Seascape (1975), co-starred in the Hartford Stage Company's 1976 revival of All Over, appeared opposite Angela Lansbury in Counting the Ways and Listening in 1977, and played the title role in the short-lived The Man Who Had Three Arms in 1983.

During the 1970s, 1980s and into the early 1990s, Prince made guest appearances on dozens of primetime television series and miniseries including Cannon, Hawaii Five-O, Kojak, The Rockford Files, Quincy, M.E., Matlock and Murder, She Wrote.

In 1992, he appeared on the long-running NBC drama Law & Order in the episode "The Working Stiff", playing a corrupt former governor and friend of District Attorney Adam Schiff involved in a banking scandal.