| Person | Type | Job | Role(s) |
|---|---|---|---|
 Albert Brenner | Crew | Art | Production Design |
David M. Walsh | Crew | Crew | Cinematography |
Dennis J. Parrish | Crew | Art | Property Master |
 Dick Smith | Crew | Costume & Make-Up | Makeup Artist |
Gary Daigler | Crew | Directing | Second Assistant Director |
Harry V. Lojewski | Crew | Sound | Music Supervisor |
Harry W. Tetrick | Crew | Sound | Sound |
 Herbert Ross | Crew | Directing | Director |
Irwin Fisch | Crew | Sound | Music |
Jack Roe | Crew | Directing | Assistant Director |
Jennifer Shull | Crew | Production | Casting |
Jerry Jost | Crew | Sound | Sound |
John F. Burnett | Crew | Editing | Editor |
 Margaret Booth | Crew | Editing | Supervising Editor |
 Marshall Schlom | Crew | Directing | Script Supervisor |
Marvin March | Crew | Art | Set Decoration |
Mel Traxel | Crew | Camera | Still Photographer |
Michael A. Stevenson | Crew | Editing | Assistant Editor |
 Neil Simon | Crew | Writing | Writer |
Patricia Norris | Crew | Costume & Make-Up | Costume Design |
 Ray Stark | Crew | Production | Producer |
Roger M. Rothstein | Crew | Production | Associate Producer |
Roger Shearman Jr. | Crew | Camera | Camera Operator |
Stephen Myles Berger | Crew | Art | Assistant Art Director |
Wayne Fitzgerald | Crew | Art | Title Designer |
Regina Gruss | Crew | Crew | Unit Publicist |
Seth Banks | Crew | Costume & Make-Up | Costumer |
Patrick M. Crawford | Crew | Editing | Assistant Editor |
Tony Elmaleh | Crew | Crew | Dialogue Coach |
 Carol Arthur | Cast | Actress | Mrs. Doris Green, Al's Daughter |
 F. Murray Abraham | Cast | Actor | Mechanic |
 Fritz Feld | Cast | Actor | Mr. Gilbert |
 George Burns | Cast | Actor | Al Lewis |
 Howard Hesseman | Cast | Actor | Mr. Walsh, Commerical Director |
James Cranna | Cast | Mr. Schaeffer, TV Director | |
 Lee Meredith | Cast | Actress | Nurse in Sketch (Miss McIntosh) |
 Phyllis Diller | Cast | Actress | Herself |
 Richard Benjamin | Cast | Actor | Ben Clark |
 Ron Rifkin | Cast | Actor | T.V. Floor Manager |
 Rosetta LeNoire | Cast | Actress | Odessa, Willy's nurse |
 Steve Allen | Cast | Actor | Himself |
 Walter Matthau | Cast | Actor | Willy Clark |
Jennifer Lee | Cast | Helen Clark | |
| Person | Type | Job | Role(s) |
