- Debbie Reynolds
- Pansy Hammer
- Bobby Van
- Dobie Gillis
- Barbara Ruick
- Lorna Ellingboe
- Bob Fosse
- Charlie Trask
- Hanley Stafford
- George Hammer
- Lurene Tuttle
- Mrs. Eleanor Hammer
- Hans Conried
- Professor Amos Pomfritt
- Charles Lane
- Chemistry Professor Obispo
- Archer MacDonald
- Harry Dorcas
- Kathleen Freeman
- 'Happy Stella' Kowalski
- Almira Sessions
- Aunt Naomi
- Suzanne Alexander
- Co-Ed
- Ben Astar
- Smiling Latvian Used Car Dealer
- Lavonne Battle
- Co-Ed
- Willis Bouchey
- Dr. Askit - Quiz Master
- Ralph Brooks
- Party Guest
- Chuck Courtney
- Student
- Gene Dailey
- Student
- Diana Darrin
- Co-Ed
- Lawrence Dobkin
- Mr. McCandless, Student Advisor
- Ken DuMain
- Party Guest
- Don Dunning
- Police Sgt. Flynn
- James Elsegood
- Freshman
- Donald Elson
- Advisor
- George Ford
- Police Officer
- Robert Fuller
- Dancer
- William Haade
- Police Captain
- Charles Halton
- Dean (Grainbelt U.)
- Alan Harris
- Proctor
- Jerry Hausner
- Al, Booking Agent
- Percy Helton
- Mr. Hammersmith, Book Seller
- Mara Lynn
- Dean's Secretary
- Alma Maison
- Co-Ed
- Mickey Martin
- Student
- John McKee
- Police Sgt. Morelli
- Todd Miller
- Student
- Alvy Moore
- Interrupted Registering Freshman
- Gloria Noble
- Co-Ed
- Troy Patterson
- Student
- Nino Pipitone
- French Florist
- Jack Regas
- Student at Dance
- Alex Romero
- Announcer
- John Smith
- Student
- Bob Stebbins
- Student
- Tim Taylor
- Party Guest
- Tommy Walker
- Student
