Professor Peter Boyd
Ronald Reagan
Jane
Diana Lynn
Mr. De Witt
Joel Friedkin
Chief of Police
Brad Browne
Miss Swithen (as Elizabeth Flourney)
Elizabeth Flournoy
Policeman
Howard Banks
Fireman
Perc Launders
Student
Brad Johnson
Student (as Bill Mauch)
Billy Mauch
Telephone Operator
Ann Tyrrell
Bonzo
Peggy
Professor Hans Neumann
Walter Slezak
Valerie Tillinghast
Lucille Barkley
Babcock
Jesse White
Dean Tillinghast
Herbert Heyes
Lt. Daggett
Herb Vigran
Knucksy
Harry Tyler
Fosdick (as Ed Clark)
Edward Clark
Policeman (as Ed Gargan)
Edward Gargan
Director
Frederick de Cordova
Original Music Composer
Frank Skinner
Makeup Artist
Bud Westmore
Art Direction
Bernard Herzbrun
Director of Photography
Carl E. Guthrie
Set Decoration
Russell A. Gausman
Costume Design
Rosemary Odell
Hairstylist
Joan St. Oegger
Screenplay
Lou Breslow
Story
Raphael Blau
Sound
Joe Lapis
Val Burton
Eric Orbom
Ted Berkman
Producer
Michael Kraike
Leslie I. Carey
Ruby R. Levitt