Phillip Darrow
Doctor
Mr. Marshall
Tauron
Hansen
Capt. Green
Lieutenant Dooley
Lt. Marr
Karl Plesser
Dr. Frazee
Lieutenant (jg) Hutchins
Messenger (uncredited)
Ron Shepherd
Detective Connors
Sir Isaac Newton (uncredited)
Cochrane
George Menefee (uncredited)
Lt. Goodsall
Lt. Weston Hathersall
Stage Cast Member (uncredited)
Michael Karns
Dr. Tony Drake
Dr. Steve Clark
Lt. Crosby
Ted Gordon
Tonio
Dr. Innes
