Nearly a year and a half after Philip R. Shawe won control of TransPerfect Global Inc. in a Chancery Court-ordered auction, the drama surrounding Delaware’s most vexing legal saga still has yet to subside.

A familiar cast of characters, led by former Harvard law professor Alan Dershowitz, is set to return to Wilmington on Thursday afternoon in a bitter billing dispute with the custodian appointed to oversee TransPerfect’s forced sale in 2015.