 | Jerry Lewis als Stanley / Himself |
 | Alex Gerry als Mr. Novak, Hotel Manager |
 | Milton Berle als Himself / Bellboy (uncredited) |
 | Bob Clayton als Bob, Bell Captain |
 | Sonnie Sands als Sonnie, Bellboy (as Sonny Sands) |
 | Eddie Shaeffer als Eddie, Bellboy |
 | Herkie Styles als Herkie, Bellboy |
| David Landfield als David, Bellboy |
 | Bill Richmond als Stan Laurel |
| Larry Best als Apple Man |
 | Jack Durant |
 | Maxie Rosenbloom |
 | Joe E. Ross |
 | Sammy Shore |
| Milton Berle |
 | Isobel Elsom |
 | Jack Kruschen |
 | Del Moore |
| Anne G. Sterling |
 | Walter Winchell |
| Jerry Lewis | Director |
| Hal Pereira | Art Direction |
| Jerry Lewis | Producer |
| Stanley E. Johnson | Editor |
| Walter Scharf | Original Music Composer |
| Haskell B. Boggs | Director of Photography |
| Henry Bumstead | Art Direction |
| Jerry Lewis | Writer |
| Paul Whitson | Generator Operator |
| Jack Sherman | Rigging Grip |
| Ralph Axness | Assistant Director |
| Sy Devore | Wardrobe Designer |
| Glen E. Richardson | Still Photographer |
| Charles Grenzbach | Sound Recordist |
| Edward R. Morse | Casting |
| Claire Behnke | Script Supervisor |
| Sam Comer | Set Decoration |
| Robert R. Benton | Set Decoration |
| James A. Rosenberger | Second Unit Director |
| Wally Westmore | Makeup Supervisor |
| John P. Fulton | Special Effects |
| Marvin Weldon | Dialogue Coach |
| Gene Merritt | Sound Recordist |
| Jack Stone | Makeup Supervisor |
| Ernest D. Glucksman | Associate Producer |
| William Davidson | Production Manager |
| Arthur P. Schmidt | Producer's Assistant |
| Howard Beals | Supervising Sound Editor |
| Walter Goss | Sound Recordist |
