Schauspieler
Jerry Lewis (Prof. Julius Kelp / Buddy Love), Stella Stevens (Stella Purdy), Del Moore (Dr. Mortimer S. Warfield), Kathleen Freeman (Millie Lemmon), Howard Morris (Elmer Kelp), Elvira Allman, Med Flory (Warzewski), Norman Alden (Football Player / Student), Elvia Allman (Edwina Kelp), Milton Frome (Dr. M. Sheppard Leevee), Buddy Lester (Bartender), Marvin Kaplan (English Student), David Landfield (College Student), Skip Ward (Football Player), Julie Parrish (College Student), Henry Gibson (Gibson - College Student), Les Brown and His Band of Renown (Themselves), Les Brown (Band Leader), Murray Alper (Gym Attendant), Monya Andre (Faculty Member), Roger Bacon (Student), Todd Barron (Boy in Bowling Alley), Mel Berger (Moon-Faced Man), Hal Blaine (Conga Player), Nicky Blair (Student), Billy Bletcher (Plumber), Les Brown Jr. (Student), Brad Brown (College Student), Stumpy Brown (Band Member), Ivan Browning (Faculty Member), Mushy Callahan (Cab Driver), Hugh Cannon (Man in Gym), Seymour Cassel (Bored Man), Selette Cole (College Student), Lorinne Crawford (Girl), George DeNormand (Faculty Member), Robert Donner (College Student), Dominic Fidelibus (College Student), Fritz Ford (Gym Member), Joseph Forte (Faculty Member), Art Gilmore (Narrator), Gavin Gordon (Clothing Salesman), Bob Harvey (College Student), Terry Higgins (Purple Pit Cigarette Girl), Stephanie Hill (Waitress), Stuart Holmes (Faculty Member at Senior Prom), Jimmie Horan (Birdman), Robert Keys (Policeman), Richard Kiel (Man in Gym), Wallace Earl Laven (Bored Girl), Carl M. Leviness (Faculty Member), Gary Lewis (Boy), Caryl Lincoln (Faculty Member), Charles Macari (College Student), John Macchia (College Student), Mike Mahoney (Man in Bowling Alley), Marilyn Malloy (Girl), Mickey Manners (College Student), William Meader (Bartender), Hollis Morrison (Man), Forbes Murray (Faculty Member), Suzanne Noel (Girl), Paddy O'Hara (Nurse), Susan Odin (Cotton Pickin' Girl), Bob Pane (College Student), Max Power (Cop), Paul Power (Faculty Member), Phillip Shaw (Man)
