汤姆·贝克

Tom Baker

伊丽莎白·斯莱登

Elisabeth Sladen

Ian Marter

饰：Harry Sullivan

尼古拉斯·考特尼

Nicholas Courtney

饰：Brigadier Lethbridge Stewart

Lillias Walker

Lillias Walker

饰：Sister Lamont

安古斯·莱尼

Angus Lennie

饰：Angus

Hugh Martin

饰：Munro

Keith Ashley

饰：Zygon

John Woodnutt

饰：Duke of Forgill

John Levene

饰：RSM Benton

Robert Russell

饰：The Caber

Tony Sibbald

Tony Sibbald

饰：Huckle

Bruce Wightman

Bruce Wightman

饰：Radio Operator