 Dean JonesProfesseur Albert Dooley | Professeur Albert Dooley |
 Sandy DuncanKatie Dooley | Katie Dooley |
 Joe FlynnFinley Hooper | Finley Hooper |
 Tony RobertsFred Hines | Fred Hines |
 James GregoryRutledge | Rutledge |
 Lee MontgomeryJimmy Dooley | Jimmy Dooley |
 Jack KruschenDoctor Gottlieb | Doctor Gottlieb |
 Virginia VincentEunice Hooper | Eunice Hooper |
 Jack BenderArvin Wadlow | Arvin Wadlow |
| BBilly BowlesOrlo Wadlow | Orlo Wadlow |
| SSammy JacksonFrisby | Frisby |
 Arthur HunnicuttMr. Purdham | Mr. Purdham |
 Frank WilcoxMr. Meaker, the Bank Manager | Mr. Meaker, the Bank Manager |
| BBryan O'ByrneBank Teller | Bank Teller |
 Ted JordanMr. Forbes | Mr. Forbes |
 Bing RussellMr. Smith | Mr. Smith |
 Peter RenadayMr. Beckert | Mr. Beckert |
 Frank CadyAssayer | Assayer |
 George O'HanlonParking Attendant | Parking Attendant |
 Jonathan DalyCarter - Purchasing Agent | Carter - Purchasing Agent |
 Hal SmithCourthouse Guard | Courthouse Guard |
 Edward AndrewsMorgan | Morgan |
| HHoward CulverMorgan's Assistant (uncredited) | Morgan's Assistant (uncredited) |
 Maurice DallimoreEnglishman (uncredited) | Englishman (uncredited) |
 Bernard FoxCar Salesman (uncredited) | Car Salesman (uncredited) |
 Arthur FranzProsecutor (uncredited) | Prosecutor (uncredited) |
| JJerry FujikawaJapanese Official (uncredited) | Japanese Official (uncredited) |
| JJonathan HoleRefinery Agent (uncredited) | Refinery Agent (uncredited) |
 Hank JonesCommencement Speaker (uncredited) | Commencement Speaker (uncredited) |
 Jack PerkinsAgitated Driver #2 (uncredited) | Agitated Driver #2 (uncredited) |
