- Anthony Perkins
- Ray Blent
- Jane Fonda
- June Ryder
- Ray Walston
- Prof. Leo Sullivan
- Marc Connelly
- Prof. Charles Osman
- Anne Jackson
- Myra Sullivan
- Murray Hamilton
- Coach Sandy Hardy
- Bob Wright
- President Harmon Nagel
- Bart Burns
- District Attorney Davis
- Karl Lukas
- 1st Detective
- Elizabeth Patterson
- Connie
- Tom Laughlin
- Fred Jensen
- Barbara Darrow
- Frieda Jensen
- Fred Aldrich
- Moving Man
- Ricky Allen
- Joel Sullivan
- Sam Balter
- Game Announcer
- Dixie Barry
- Cheerleader
- Mary Benoit
- Guest
- Shirley Blackwell
- Spectator / Party Guest (uncredited)
- Brad Brown
- Student
- Boyd Cabeen
- Party Guest
- Eileen Chesis
- Ruth Sullivan
- James De Closs
- Jenkins - Reporter
- George DeNormand
- Spectator
- Don Dillaway
- Waiter
- James Drake
- Student Radio Announcer
- Don Familton
- Russian Basketball Player
- Stephen Ferry
- Gambler
- Bill Fleming
- Student
- Richard George
- Student
- Lyn Guild
- Guest
- Brad Harris
- Student by Fire
- Richard Harrison
- Student
- Dana Latham
- William Sullivan
- Gary Lockwood
- Russian Basketball Player
- Bruce MacCallister
- Cheerleader
- Joseph Marr
- Second Detective
- Mary D. Mascari
- Spectator
- Jack McCall
- Wyman
- Mathew McCue
- Spectator
- Jim Michael
- Student
- Paul Nesbitt
- Student Manager
- Ron Nyman
- Student
- Monty O'Grady
- Waiter
- Jack Perrin
- Restaurant Patron
- Phil Phillips
- Albert Solomon Sullivan
- Robert Redford
- Basketball Player
- Tony Regan
- Bartender
- Sally Richardson
- Cheerleader
- Ruthie Robinson
- Debbie Sullivan
- John Rockwell
- Pete
- Alex Rodine
- Russian Interpreter
- Joe E. Ross
- Mike
- Allen Sacks
- Cheerleader
- Arthur Sacks
- Cheerleader
- Jack Santoro
- Spectator
- Lorrie Ann Stafford
- Mary
- Suzanne Strutridge
- Cheerleader
- Mitzi Sutherland
- Cheerleader
- Hal Taggart
- Diner
- Roy Thomas
- Spectator
- Herb Vigran
- Man in Back Seat
- Ken Wales
- Cheerleader
- Red West
- Basketball Player / Student (uncredited)
- Van Williams
- Young Man in Shower
