Réžia: Gordon Flemyng
Scénar: Milton Subotsky
Výrobné spoločnosti: Amicus Productions, AARU Productions, BBC-TV Productions
Produkcia: Milton Subotsky
Hrajú: Peter Cushing, Michael Coles, Peter Hawkins, John Bown, Jennie Linden, Roberta Tovey, Barrie Ingham, Yvonne Antrobus, Gerald Taylor, Geoffrey Toone, Roy Castle, Bruce Wells, Mark Petersen, Jane Lumb, Ken Garady, Martin Grace, Mike Lennox, Jack Waters, Nicholas Head, Virginia Tyler