 | Matthew Modine als Birdy |
 | Nicolas Cage als Sergeant Al Columbato |
 | John Harkins als Doctor Major Weiss |
 | Sandy Baron als Mr. Columbato |
 | Karen Young als Hannah Rourke |
 | Bruno Kirby als Renaldi |
 | Nancy Fish als Mrs. Prevost |
 | George Buck als Birdy's Father |
 | Dolores Sage als Birdy's Mother |
 | Pat Ryan als Joe Sagessa |
| James Santini als Mario Columbato |
 | Maud Winchester als Doris Robinson |
 | Marshall Bell als Ronsky |
 | Elizabeth Whitcraft als Rosanne |
 | Sandra Beall als Shirley |
| Victoria Nekko als Claire |
| Crystal Field als Mrs. Columbato |
| John Brumfield als Mr. Kohler |
| Joe Lerer als Military Doctor |
| Alice Truscott als Mother on Train |
| Ed Taylor als Zimmy The Human Fish |
| Irving Selbst als Fairground Announcer |
| Steve Lippe als Junkyard Proprietor |
| William Clark als Policeman on Beach |
| James Pruett als Emergency Doctor |
 | Priscilla Alden als Waiting Room Lady |
| Howard Kinsley als Mr. Tate |
| Robert Diamond als Maloney |
| Bud Seese als Drunk in Jail |
| Peter Gabriel | Original Music Composer |
| Michael Seresin | Director of Photography |
| Sandy Kroopf | Screenplay |
| William Wharton | Novel |
| David Manson | Executive Producer |
| Jack Behr | Screenplay |
| Alan Marshall | Producer |
| Gerry Hambling | Editor |
| Alan Parker | Director |
| Chris Soldo | First Assistant Director |
| David MacMillan | Sound Recordist |
| M. James Arnett | Stunt Coordinator |
| Tom Davies | Second Assistant Director |
| Geoffrey Kirkland | Production Design |
| Juliet Taylor | Casting |
| Ned Kopp | Associate Producer |
| Mike Roberts | Camera Operator |
| Nancy Giebink | Unit Production Manager |
| Kristi Zea | Costume Design |
| Don Watson | Leadman |
| Charlie Hammerschmitt | Steadicam Operator |
| Kerry Hayes | Still Photographer |
| Tom Gray | Unit Publicist |
| George R. Nelson | Set Decoration |
| John A. Kelly | Painter |
| Ed Arter | Transportation Coordinator |
| Paul Cimino | Transportation Captain |
| Ralph Nelson Jr. | Still Photographer |
| Molly Maginnis | Assistant Costume Designer |
| Margery Gabrielson | Painter |
| Anthony Tortorice | Assistant Property Master |
| Armin Ganz | Art Direction |
| Judy Feil | Assistant Costume Designer |
| Barbara Kelly | Makeup Artist |
| Eddy Joseph | Sound Editor |
| Alice Tompkins | Script Supervisor |
| Danny Benson | Boom Operator |
| George Zimninsky | Property Master |
| Michelle Souza | Assistant Property Master |
| Aaron Zajac | Assistant Property Master |
| Tom Sindicich | Construction Coordinator |
| Ron Phipps | Finance |
| Alan R. Disler | First Assistant Camera |
| Rich Clot | Construction Foreman |
| Michael Brum | Transportation Captain |
| Paul LeBlanc | Hairstylist |
| W. Stewart Campbell | Art Direction |
| Larry McConkey | Steadicam Operator |
| David L. Butler | Aerial Camera |
| Rory Enke | Location Manager |
| Ted Churchill | Steadicam Operator |
| Cliff Wenger | Special Effects |
| Mic Rodgers | Stunts |
| Michael Runyard | Stunts |
