Générique complet
Three Silent Men
Sebastian Shaw
Sir James Quentin
Derrick De Marney
Captain John Mellish
Patricia Roc
Pat Quentin
Arthur Hambling
Ginger Brown
Cameron Hall
Badger Wood
John Turnbull
Inspector Gill
Peter Gawthorne
General Bullington
André Morell
Charles Klein
JV
Jack Vyvyan
Sgt. Wells
MM
Meinhart Maur
Karl Zaroff
SH
Scott Harrold
Ted Blacklock
BC
Basil Cunard
Dr. Fairlie
Charles Oliver
Johnson
Ian Fleming
Pennington
HD
Hugh Dempster
Nelson
FS
F.B.J. Sharp
The Coroner
BW
Billy Watts
Fernald
KL
Kay Lewis
Nurse
MT
Marjorie Taylor
Nurse
Barbara Lott
Nurse