Cast & crew
The Fifth Floor (1978)
Directed by Howard Avedis Written by Meyer Dolinsky, Howard Avedis, Marlene Schmidt
Cast
| Bo Hopkins | Carl Fogarty |
| Dianne Hull | McIntyre |
| Patti D'Arbanville | Cathy Bowman |
| Sharon Farrell | Melanie Ralston |
| Anthony James | Derrick |
| Mel Ferrer | Coleman |
| Robert Englund | Benny |
| Julie Adams | Nurse |
| John David Carson | Ronnie |
| Alice Nunn | Emma |
| Michael Berryman | Mental Blanakoff |
| Earl Boen | Phil |
| Howard Avedis | Therapist |
| Milt Kogan | Dr Chaleck |
| Marlene Schmidt | Nurse |
| Udana Power | Whelan |
| Gregory J. Barnett | Deputy Crews |
| Tracey Walter | Mental Blanakoff |
| Betty Kean | Sophy |
| Cathey Paine | Lois Byrd |
| Chuck Boyd | Crawford |
| Bob Herron | Sheriff Long |
| M.G. Kelly | Hal |
| Marie Marq | Jinny |
| Barbara Ellen Lyle | Francine |
| Suzanne Niles | Doreen Piggot |
| Grant Owens | Jerry Thompson/Narrator |
| Lee Stein | Marie-Lou Fontaine |
| Bruce Stidham | Morgan O'Mally |
| Duane Tucker | Psych |
| Maggie Appel | Mental Blanakoff |
| Mary Ellen O'Neill | Mental Blanakoff |
| Alan Sands | Mental Blanakoff |
Crew
| Howard Avedis | Director |
| Stephen Bedell | Music Supervisor |
| Dan Carlin Sr. | Music Editor |
| Meyer Dolinsky | Screenplay |
| James Winburn | Stunts |
| Peter Horak | Stunt Coordinator |
| Bob Herron | Stunts |
| Hubie Kerns Jr. | Stunts |
| John O'Conner White | Stunts |
| Leslie Hoffman | Stunts |
| Alice West | Second Assistant Director |
| Michael Bennett | First Assistant Director |
| Vincent Baldino | Second Assistant Camera |
| Ron Lavery | Focus Puller |
| J. Michael Popovich | Key Grip |
| Jim Bogard | Gaffer |
| Josh Rich | Grip |
| Jack Freiburg | Location Manager |
| Anne Warner | Script Supervisor |
| Dennis Malat | Still Photographer |
| Kathy Kinder | Wardrobe Supervisor |
| Carol Ann DiGiuseppe | Assistant Editor |
| Robert Birchall | Boom Operator |
| Jennifer Stace | Choreographer |
| Donna Tollefson | Dialogue Coach |
| Dick Damon | Sound Mixer |
| Pamela Sandford | Assistant Makeup Artist |
| Jack Hooper | Negative Cutter |
| Kathy Frappier | Assistant Makeup Artist |
| Esmeralda Tafurt | Assistant Makeup Artist |
| Gene LeBell | Stunts |
| Gregory J. Barnett | Stunts |
| Bill Kawata | Associate Producer |
| Alan Silvestri | Original Music Composer |
| Daniel Pearl | Director of Photography |
| Marlene Schmidt | Executive Producer |
| Howard Avedis | Producer |
| Howard Avedis | Story |
| Marlene Schmidt | Story |
| Chuck Seaton | Art Direction |
| Pamela Peitzman | Makeup Artist |
| Stanford C. Allen | Editor |