Nat Bridger
Stanley Markowitz
Ridley Taylor
Noah Clayton
Lt. Meara
Fred Waites
John Websole
Jack Gilsdorf
Fil Thorner
Winters
Photographer
Detective Tamblyn
Dr. Alderman
Beth Freemantle
Connie Lawson
Bag Lady
George Lord
Sandra Thorner (as Joann Lang-Hannah)
David Misner
George
Registration Official Wilson
Co-Ordinator
2nd Official
Mrs. Andersen
Marley
Repairman
Woman Speaker
Teenage Girl
Guard (as Anthony Parr)
Laboratory Guard (as Angus McInnis)
Arresting Cop
1st Cop
Waites Receptionist
#1 Linesman (as Wally Bondarenko)
Phone Woman
Telephone Operator
Phone Tracer
Young Man
Old Man
Convention Delegate (uncredited)
Passer-by (uncredited)