- Matt Ross - Bee
- Annie Golden - Woman Cabbie
- Michael Chance - Scarface
- H. Michael Walls - Botanist
- Bob Adrian - Geologist
- Bill Raymond - Microbiologist
- Ernest Abuba - Engineer
- Nell Johnson - Ward Nurse
- Rozwill Young - Billings
- Joseph Melito - Young Cole
- Frank Gorshin - Dr. Fletcher
- Aaron Michael Lacey - WWI Sergeant
- Vernon Campbell - Tiny
- Simon Jones - Zoologist
- Carol Florence - Astrophysicist / Jones
- Irma St. Paule - Poet
- Frederick Strother - L.J. Washington
- Charles Techman - Professor
- Rick Warner - Dr. Casey
- Anthony 'Chip' Brienza - Dr. Goodin
- Bruce Kirkpatrick - Policeman No. 1
- Wilfred Williams - Policeman No. 2
- Joilet Harris - Harassed Mother
- Drucie McDaniel - Waltzing Woman Patient
- John Blaisse - Old Man Patient
- Louis Lippa - Patient at Gate
- Stan Kang - X-Ray Doctor
- Pat Dias - WWI Captain
- Felix Pire - Fale
- Karl Warren - Pompous Man
- Joseph McKenna - Wallace
- Stephen Bridgewater - Airport Detective
- Ray Huffman - Plump Businessman
- Charley Scalies - Impatient Traveler
- Paul Meshejian - Detective Dalva
- Kevin Thigpen - Kweskin
- Jann Ellis - Marilou
- Michael Ryan Segal - Weller
- Korchenko - Thug No. 1
- Robert O'Neill - Wayne
- Harry O'Toole - Louie / Raspy Voice
- Barry Price - Agent No. 1
- Janet Zappala - Anchorwoman
- Lisa Talerico - Ticket Agent
- Tiffany Baldwin - Student in Airport (uncredited)
- C.J. Byrnes - Psychiatric Patient (uncredited)
- Tom Detrik - FBI Agent (uncredited)
- Joe Gerety - Sprayer (uncredited)
- Bonnie Loev - Time Portal Nurse (uncredited)
- Raymond Mamrak - Travler (uncredited)
- Allelon Ruggiero - Inpatient (uncredited)
- Thang - Monkey Member (uncredited)
- Sal Mazzotta - Prisoner Joey (uncredited)
- Bart the Bear - Bear
- Donald Faison - Psychiatric Prisoner (uncredited)
- Terry Gilliam
- Mark Egerton
- Andrew Bernstein
- David Webb Peoples
- Chris Marker
- Charles Roven
- Gary Levinsohn
- Kelley Smith-Wait
- Scott Elias
- Margery Simkin
- Matilde Valera
- Imogen Pollard
- Paul Buckmaster
- Thomas J. O'Connell
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