The Arrival

Charlie Sheen plays Zane Zaminski, a radio astronomer who discovers evidence of extraterrestrial life.

Lindsay Crouse portrays Ilana Green, a government official who works closely with Zane on understanding the alien signals.

Richard Schiff takes on the role of Calvin, a colleague of Zane who assists in the investigation.

Ron Silver plays Phil Gordian, a government operative with a vested interest in the extraterrestrial findings.

Teri Polo portrays Char, Zane's love interest who supports him through his discoveries.

Phyllis Applegate plays Mrs. Roosevelt, a character who interacts with Zane in the story.

Tony T. Johnson appears as Kiki, a character involved in the plot surrounding the alien investigation.

Alan Coates plays Terraformer, contributing to the movie's exploration of alien life.

Leon Rippy portrays DOD #1, part of the defense department team involved in the investigation.

Buddy Joe Hooker plays DOD #2, another member of the defense department team.

Javier Morga appears as a Co-worker of Zane, providing support in his scientific endeavors.

David Villalpando plays Cabbie, a character who aids Zane in his journey.