Ronald Reagan

Character: Professor Peter Boyd

Diana Lynn

Character: Jane

Walter Slezak

Character: Professor Hans Neumann

Lucille Barkley

Character: Valerie Tillinghast

Jesse White

Character: Babcock

Herbert Heyes

Character: Dean Tillinghast

Herb Vigran

Character: Lt. Daggett

Harry Tyler

Character: Knucksy

Edward Clark

Character: Fosdick (as Ed Clark)

Edward Gargan

Character: Policeman (as Ed Gargan)

Joel Friedkin

Character: Mr. De Witt

Brad Browne

Character: Chief of Police

Elizabeth Flournoy

Character: Miss Swithen (as Elizabeth Flourney)

Howard Banks

Character: Policeman

Perc Launders

Character: Fireman

Brad Johnson

Character: Student

Billy Mauch

Character: Student (as Bill Mauch)

Ann Tyrrell

Character: Telephone Operator

Peggy

Character: Bonzo