It's Showtime (1976) — Cast
Cast
| Humphrey Bogart | Self |
| Gene Kelly | Self |
| Duke | Self |
| Dale Evans | Self |
| Clayton Moore | Self |
| Tamba | Self |
| Jimmy Durante | Self |
| Roddy McDowall | Self |
| James Cagney | Self |
| Tom Mix | Self |
| Roy Rogers | Self |
| Bobby 'Wheezer' Hutchins | Self |
| Donald O'Connor | Self |
| Smiley Burnette | Self |
| Charlie Chaplin | Self |
| Maureen O'Sullivan | Self |
| Jesse White | Self |
| Larry Simms | Self |
| Johnny Weissmüller | Self |
| John Wayne | Self |
| Johnny Mack Brown | Self |
| Mack Sennett | Self |
| Joe E. Brown | Self |
| Penny Singleton | Self |
| Gene Autry | Self |
| Chill Wills | Self |
| William Boyd | Self |
| Arthur Lake | Self |
| Dick Powell | Self |
| Allen 'Farina' Hoskins | Self |
| Bill Elliott | Self |
| Buster Crabbe | Self |
| Black Jack | Self |
| William S. Hart | Self |
| Mickey Rooney | Self |
| Matthew Betz | Self |
| Monte Hale | Self |
| Champion | Self |
| Charles Coburn | Self |
| Eleanor Powell | Self |
| Rin-Tin-Tin | Tin Tin |
| Bing Crosby | Self |
| Yul Brynner | Self |
| William Powell | Self |
| Trigger | Trigger |
| Clarence Wilson | Self |
| Daisy | Verden Fell (archive footage) |
| Skippy | Self |
| Allan Lane | Self |
| John Barrymore | Self |
| Buster Keaton | Self |
| Cary Grant | Self |
| Barton MacLane | Self |
| Ronald Reagan | Self |
Crew
| Paul M. Heller | Producer |
| Fred Weintraub | Producer |
| Paul M. Heller | Director |
| Alan Myerson | Director |
| Fred Weintraub | Director |