Joanna Moore
Madeline Howard
Judson Pratt
Lt. Mike Stevens
Troy Donahue
Jimmy Flanders
Nancy Walters
Sylvia Lockwood
Helen Westcott
Nurse Molly Riordan
Ross Elliott
Sgt. Eddie Daniels
Alexander Lockwood
Prof. Gilbert Howard
Whit Bissell
Dr. Oliver Cole
Richard H. Cutting
Tom Edwards - Forest Ranger
Hank Patterson
Townsend - Night Watchman
Eddie Parker
Donald as a Monster
Ronnie Rondell Jr.
Student