as

Douglas Ferguson

as

Dave Langdon

as

Claude Roberts

as

Dr. Niblock (as Jack Livingstone)

as

Dr. George Wainright

as

Randolph Shaw

as

Karl le Barron

as

Reginald Dunstan

as

Aaron King - Art

as

Capt. James Morrison

as

Jim Gordon

as

Patrick McCree

as

Dr. Howard

as

Sid Wilson

as

Charles Lunkin

as

Captain Drake

as

Stephen Pachmann (as Jack Livingstone)

as

Brian Trelawney

as

Rolf Rutherford

as

Jack Livingston