טריילר
שחקנים
Colin Baker
Peter Russell
Linda Lusardi
Louise Bayliss
Peter Davison
Patient One
Sylvester McCoy
Dr. Colin Dove
Jonathan Rigby
Cummings
Caroline John
Dr. Elizabeth Shaw
מארק גאטיס
Dr. William Bruffin
Louise Jameson
Patricia Haggard
Sophie Aldred
Public Relations Officer
Alexander Kirk
Orderly
Jon Pertwee
Dr. Jeremiah O'Kane