Roger Moore (Dr. Judd Stevens)
Rod Steiger (Lt. McGreavy)
Elliott Gould (Angeli)
Art Carney (Morgens)
Anne Archer (Ann Blake)
Phillip Borsos (Frank)
James Spinks
Dick Sollenberger (Capt. Bertelli)
David Hedison (Dr. Hadley)
Deanna Dunagan (Mrs. Hadley)
Ron Parady (Cortini)