William Hartnell

The Doctor

Maureen O'Brien

Vicki

Peter Purves

Steven Taylor

Peter Butterworth

The Monk

Alethea Charlton

Edith

Peter Russell

Eldred

Michael Miller

Wulnoth

Michael Guest

Saxon Hunter

Norman Hartley

Ulf

Geoffrey Cheshire

Viking Leader

David Anderson

Sven

Ronald Rich

Gunnar the Giant

Douglas Camfield