- Bing Crosby as Harvey Howard
- Fabian as Gil Sparrow
- Tuesday Weld as Joy Elder
- Nicole Maurey as Prof. Helene Gauthier
- Richard Beymer as Bob Bannerman
- Patrick Adiarte as T.J. Padmanagham
- Yvonne Craig as Randy 'Scoop' Pruitt
- Jimmy Boyd as Robert Higgson
- Gavin MacLeod as Professor Thayer
- Kenneth MacKenna as President Byrne of Pinehurst
- Nina Shipman as Laura Howard
- Angus Duncan as Harvey Howard Jr.
- Paul von Schreiber as Crump
- Harold Ayer as Student
- Jimmy Baya as Band Leader
- Carla Borelli as Harvey Jr.'s Date at Ball
- Harry Carter as Harvey's Chauffeur
- Alvin Childress as Guest Announcer at Judge Carter's Ball
- Donald Cockburn as Basketball Coach
- Dick Crockett as Bones McKinney
- Douglass Dumbrille as Judge Carter
- Gregg Dunn as Bit Role
- Opal Euard as Mrs. Carter
|
- Frank Fowler as Professor
- Don Gazzaniga as Bit Role
- Ruby Goodwin as Dr. Byrne's Maid
- Ray Hamilton as Laura's Date at Ball
- John Page Harrington as Heazlett
- Linda Hutchings as Bit Role
- Byron Kane as Professor
- Jean Paul King as Professor
- James Lanphier as Burdick, Maitre D' at Harvey Howard's
- Johnny Lee as Servant at Judge Carter's Ball
- Mary Patton as Matron
- Edmund T. Peckham as Professor
- Ray A. Rustigan as Hedgepeth
- Art Salter as Gas Station Attendant
- Jeffrey Sayre as Helps Harvey from Floor at Dance
- Frank J. Scannell as Auctioneer at College
- Elisabeth Talbot-Martin as Matron
- Emerson Treacy as Professor
- Janice Trotter as Student
- Irene Vernon as Matron
- Ernestine Wade as Judge Carter's Maid
- H.E. West as Bit Role
|