Peter Cushing as Baron Frankenstein

Peter Woodthorpe as Prof. Zoltan

Duncan Lamont as Karlstaad

Sandor Elès as Hans

Katy Wild as Beggar Girl

David Hutcheson as Bürgermeister

James Maxwell as Priester

Howard Goorney as Drunk

Kiwi Kingston as The Monster

Caron Gardner as Burgermeister's Wife

Tracy Stratford as Rena as a Child (uncredited)

Tony Arpino as Body Snatcher (uncredited)

Timothy Bateson as Hypnotized Man (uncredited)

Jim Brady as Villager (uncredited)

Frank Forsyth as Manservant (uncredited)

Steven Geray as Dr. Sergado (uncredited)

Patrick Halpin as Villager (uncredited)

Patrick Horgan as David Carrell (uncredited)

Kenneth Kove as Curé (uncredited)

Derek Martin as Roustabout (uncredited)

Maria Palmer as Rena's Mother (uncredited)

William Phipps as Rena's Father (uncredited)

Alister Williamson as Landlord (uncredited)

Fred Wood as Karlstaad Pedestrian (uncredited)

Anthony Blackshaw as Policeman

David Conville as Policeman