- Ronald Reagan
- Prof. Peter Boyd
- Diana Lynn
- Jane Linden
- Walter Slezak
- Prof. Hans Neumann
- Lucille Barkley
- Dr. Valerie Tillinghast
- Jesse White
- Babcock
- Herbert Heyes
- Dean Tillinghast
- Herb Vigran
- Police Lt. Daggett
- Harry Tyler
- Knucksy Breckenridge
- Edward Clark
- Professor Fosdick
- Edward Gargan
- Policeman Bill
- Joel Friedkin
- Mr. DeWitt
- Brad Browne
- Chief of Police
- Elizabeth Flournoy
- Miss Swithen
- Howard Banks
- Policeman
- Perc Launders
- Fireman
- Brad Johnson
- Student
- Billy Mauch
- Student
- Ann Tyrrell
- Telephone Operator
- Bonzo
- Bonzo
- Ginger Anderson
- Coed
- Leslye Banning
- Coed
- Tommy Bond
- Student Reading Newspaper
- Bridget Carr
- Girl in Car
- Larry Carr
- Student
- Larry Crane
- Student
- John Daheim
- Fireman
- Irmgard Dawson
- Operator
- Johnny Duncan
- Paperboy
- Jack Gargan
- Teacher
- Ed Jarga
- Policeman
- Michael Kraike
- Bit Part
- Philo McCullough
- Teacher
- Frank Nelson
- Trailer Narrator
- Chip Perrin
- Student
- Purv Pullen
- Minor Role
- Midge Ware
- Coed
- Steve Wayne
- Student
- Lawrence A. Williams
- Teacher
