Carl Betz

as Dr. Howard Geary

as John Bowman

as Howard Foxhugh

as Charles Dickinson

as Max Foster

as Jimmie Valentine (Prologue) (uncredited)

as Jimmy Valentine (segment "Prologue") (uncredited)

as Loney Logan

as Danny Gouzenko

as Andy Wells

as Lt. Mike Platt

as Dennis Holvig

as Dr. Chandler

as Alex Stone

as Attorney Paul Barkley

as General Yuri Kozani

as John Fillmore

as Dr. Max Redford (segment "The Dead Man")

as Gar Shelton

as Martin Ashton

as Nate Timble