Trailer
Images
 | Dean Jones as Professeur Albert Dooley |
 | Sandy Duncan as Katie Dooley |
 | Joe Flynn as Finley Hooper |
 | Tony Roberts as Fred Hines |
 | James Gregory as Rutledge |
 | Lee Montgomery as Jimmy Dooley |
 | Jack Kruschen as Doctor Gottlieb |
 | Virginia Vincent as Eunice Hooper |
 | Jack Bender as Arvin Wadlow |
 | Billy Bowles as Orlo Wadlow |
| Sammy Jackson as Frisby |
 | Arthur Hunnicutt as Mr. Purdham |
 | Frank Wilcox as Mr. Meaker, the Bank Manager |
| Bryan O'Byrne as Bank Teller |
 | Ted Jordan as Mr. Forbes |
 | Bing Russell as Mr. Smith |
 | Peter Renaday as Mr. Beckert |
 | Frank Cady as Assayer |
 | George O'Hanlon as Parking Attendant |
 | Jonathan Daly as Carter - Purchasing Agent |
 | Hal Smith as Courthouse Guard |
 | Edward Andrews as Morgan |
| Howard Culver as Morgan's Assistant (uncredited) |
 | Maurice Dallimore as Englishman (uncredited) |
 | Bernard Fox as Car Salesman (uncredited) |
 | Arthur Franz as Prosecutor (uncredited) |
| Jerry Fujikawa as Japanese Official (uncredited) |
| Jonathan Hole as Refinery Agent (uncredited) |
 | Hank Jones as Commencement Speaker (uncredited) |
 | Jack Perkins as Agitated Driver #2 (uncredited) |
 | Roy Roberts as The Judge (uncredited) |
 | Fran Ryan as Mrs. Purdham (uncredited) |
 | Jeffrey Sayre as Man in Refinery Office (uncredited) |
 | Robert Shayne as Refinery Executive (uncredited) |
 | Vaughn Taylor as Bank President (uncredited) |
 | Bruno VeSota as Russian (uncredited) |
| Directing | |
| Vincent McEveety | Director |
Sound | |
| Robert O. Cook | Sound Supervisor |
Writing | |
| Roswell Rogers | Screenplay |
| Ted Key | Story |
Camera | |
| William E. Snyder | Director of Photography |
Production | |
| Bill Anderson | Producer |
Art | |
| John B. Mansbridge | Art Direction |
Costume & Make-Up | |
| Robert J. Schiffer | Makeup Artist |
| La Rue Matheron | Makeup & Hair |
Art | |
| Emile Kuri | Set Decoration |
| Hal Gausman | Set Decoration |
| Al Roelofs | Art Direction |
Costume & Make-Up | |
| Emily Sundby | Costume Design |
Production | |
| John D. Bloss | Production Manager |
Costume & Make-Up | |
| Chuck Keehne | Costume Design |
Art | |
| Jack Colconda | Property Master |
Sound | |
| Buddy Baker | Original Music Composer |
