Caroline John
Dr. Elizabeth Shaw
Jon Pertwee
Dr. Jeremiah O'Kane
Sylvester McCoy
Dr. Colin Dove
Colin Baker
Peter Russell
Mark Gatiss
Dr. William Bruffin
Louise Jameson
Patricia Haggard
Sophie Aldred
Public Relations Officer
Linda Lusardi
Louise Bayliss
?
David Terence
Daniel O'Kane / Eustace O'Kane
?
Nicola Fulljames
Dr. Beatrice Hearst