Cast & crew
What the #$*! Do We (K)now!? (2004)
Directed by William Arntz, Betsy Chasse, Mark Vicente Written by Betsy Chasse, Mark Vicente, William Arntz
Cast
| Robert Bailey Jr. | Reggie |
| Marlee Matlin | Amanda |
| Elaine Hendrix | Jennifer |
| John Ross Bowie | Elliot |
| Barry Newman | Frank |
| Eric Newsome | Voice Over Talent (voice) |
| Larry Brandenburg | Bruno |
| Robert Blanche | Bob |
| Michele Mariana | Tour Guide |
| Armin Shimerman | Older Man (in subway) |
| Lia Sargent | Voice Over Talent (voice) |
| Kirk Thornton | Voice Over Talent (voice) |
| Michelle Ruff | Voice Over Talent (voice) |
| Michael Sorich | Voice Over Talent (voice) |
| Tom Fahn | Voice Over Talent (voice) |
| Steve Blum | Voice Over Talent (voice) |
| Val Landrum | Ticket Sales Girl |
| John Hagelin | Self |
| Casper Van Dien | Romantic Moritz (uncredited) |
| Amit Goswami | Self |
| Candace Pert | Self |
| Micheal Ledwith | Self |
| Andrew Newberg | Self |
Crew
| William Arntz | Director |
| Mark Vicente | Director of Photography |
| David Bridges | Director of Photography |
| Betsy Chasse | Director |
| Christopher Franke | Original Music Composer |
| Nava | Production Design |
| Betsy Chasse | Writer |
| Betsy Chasse | Producer |
| Mark Vicente | Writer |
| E. Larry Day | Makeup Department Head |
| E. Larry Day | Hair Department Head |
| Todd C. Guzze | Producer |
| Jonathan P. Shaw | Editor |
| Ronald Leamon | Costume Design |
| Mark Vicente | Producer |
| Mark Vicente | Director |
| William Arntz | Writer |
| William Arntz | Producer |
| Eugene Mazzola | Assistant Director |