Cast
Wally Cox
Mr. Berry
Margaret Hamilton
Prof. Crabwell
Ivor Francis
Dr. Webb
George DiCenzo
Underground Tour Guide (uncredited)
Bob Harks
Bar Patron (uncredited)
Chester Hayes
Bar Patron (uncredited)
Scott Brady
Capt. Schubert
Hank Robinson
Police Officer (uncredited)
Simon Oakland
Tony Vincenzo
John Carradine
Llewellyn Crossbinder
Al Lewis
Tramp
Anne Randall
Policewoman Sheila
Joe Phillips
Detective (uncredited)
Darren McGavin
Carl Kolchak
Richard Anderson
Dr. Richard Malcolm
Jo Ann Pflug
Louise Harper
Nina Wayne
Charisma Beauty
Diane Shalet
Joyce Gabriel