as Watkins
as Tibor
as Priest
as Yukon Cornelius (voice)
as Spencer Brother (uncredited)
as Mr. Wolfe
as Officer Howard
as Dr. Eric Mabouse
as Larson
as George Wilson (voice)
as Chillingworth
as Workman (uncredited)
as Doctor Livesey (voice)
as Grossmeyer
as Lutz
