Cast

• Tom Skerritt Dallas
• Sigourney Weaver Ripley
• Veronica Cartwright Lambert
• Harry Dean Stanton Brett
• John Hurt Kane
• Ian Holm Ash
• Yaphet Kotto Parker
• Bolaji Badejo Alien
• Helen Horton Mother (voice)
• Eddie Powell Alien (uncredited)

Writers

• Dan O'Bannon
• Ronald Shusett
• Dan O'Bannon

Producers

• Gordon Carroll
• David Giler
• Walter Hill
• Ivor Powell
• Ronald Shusett