The Trollenberg Terror

Forrest Tucker

Alan Brooks

Jennifer Jayne

Sarah Pilgrim

Janet Munro

Anne Pilgrim

Laurence Payne

Philip Truscott

Warren Mitchell

Prof. Crevett

Frederick Schiller

Mayor Klein

Colin Douglas

Hans

Andrew Faulds

Brett

Stuart Saunders

Dewhurst

Anne Sharp

The Mother

Derek Sydney

Wilde

Richard Golding

First Villager

George Herbert

Second Villager

Jeremy Longhurst

First Student Climber

Anthony Parker

Second Student Climber

Leslie Heritage

Carl

Theodore Wilhelm

Fritz

Caroline Glazer

The Child

Garard Green

The Spotter Pilot

Jack Taylor

Voice of Beheaded Climber Jim

Anna Cameron

Evacuated Villager (uncredited)

Thomas Foulkes

Evacuating Villager (uncredited)

Otto Friese

Evacuated Villager (uncredited)

Jack Hetherington

Stationmaster (uncredited)