Simon Jones returns as Arthur, Geoffrey McGivern as Ford, Mark Wing-Davey as Zaphod Beeblebrox, Susan Sheridan as Trillian, Sandra Dickinson as Tricia McMillan, and Stephen Moore as Marvin. William Franklyn is the Book, Rula Lenska is also the Book and Samantha Béart is Random. Guest stars include Miriam Margolyes, Griff Rhys Jones, John Challis, Roy Hudd, Saeed Jaffrey, and Jonathan Pryce.