as Dr. George Wainright
as Jack Livingston
as Charles Lunkin
as Jim Gordon
as Rolf Rutherford
as Brian Trelawney
as Dr. Niblock (as Jack Livingstone)
as Dr. Howard
as Stephen Pachmann (as Jack Livingstone)
as Claude Roberts
as Aaron King - Art
as Reginald Dunstan
as Sid Wilson
as Capt. James Morrison
as Captain Drake
as Randolph Shaw
as Douglas Ferguson
as Gene Stratton
as Dave Langdon
as Patrick McCree
