Ole Søltoft

Jack Armstrong (as Ollie Soltoft)

Sue Longhurst

Alice Faversham

Charlie Elvegård

Samson (as Charlie Elvegard)

Malou Cartwright

Penny

Martin Ljung

Jack the Ripper (as Martin Young)

Diana Dors

Madame Helena

Göthe Grefbo

Judge Pettibone (as Joe Grey)

Steven Lund

Young Jack

Larry Leonard

Mr. Pendleton

Per-Axel Arosenius

Rev. Faversham

Julie Bernby

Mrs. Faversham

Börje Mellvig

Police Inspector

Nils Eklund

Police Officer

Barbro Hiort af Ornäs

Jack's Mother

Egil Holmsen

Jack's Father

Vernon P. Becker