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Arthur C. Clarke as Self |
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Keir Dullea as Self |
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Freeman Dyson as Self |
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Wally Gentleman as Self |
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Daniel Goldin as Self |
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Peter Kuran as Self |
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Larry Niven as Self |
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Daniel Richter as Self |
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Robert J. Sawyer as Self |
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Richard Terrile as Self |
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Douglas Trumbull as Self |
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David Pritchard as Narrator |
| Visual Effects | Mike Riley | Animation Supervisor |
| Sound | Brian Eno | Music |
| Visual Effects | Geoff Isaac | Animation |
| Sound | Marrie Schryer | Audio Post Coordinator |
| Crew | Ray McMillan | Cinematography |
| Crew | Michael Lennick | Cinematography |
| Crew | Ed Glinert | Legal Services |
| Production | Del Menes | Production Consultant |
| Sound | David Pritchard | Music |
| Sound | Johann Strauss | Music |
| Visual Effects | Bob Sauls | Animation |
| Crew | Ken Rosenthal | Legal Services |
| Writing | Michael Lennick | Writer |
| Directing | Michael Lennick | Director |
| Crew | Robbi Hinds | Cinematography |
| Production | Shirley Guilliford | Co-Producer |
| Production | Michael Lennick | Producer |
| Sound | Kathryn King | Music |
| Sound | Scott Kennedy | Audio Post Coordinator |
| Visual Effects | Ray McMillan | Visual Effects |
| Editing | Michael Lennick | Editor |
| Production | Patricia Mundinger | Associate Producer |