Yes! The person behind the door is Mr Edward Woodward.
“the horse that speaks” refers to Mister Ed, the talking horse.
“knock on” (the door) refers to the song “Knock on Wood” and “three times” means tripling it.
“balancing things” refers to The Equalizer, and the “Burning Man festival” refers to The Wicker Man.
I was bestowed the crown at birth, but was already a ruler by virtue of my family.
From the beginning, my work was to carry a new story into the chapters of history.
What is my name?
Stephen King?
Yes!
crown = Stephen
ruler by virtue of my family = King surname
From the beginning, my work was to carry = First book was Carrie
a new story into the chapters = literary
I was trying to fit Martin Luther King into that clue, because of the date. Good clue. We need a new one.
In the grasslands of southern Africa, I found a red flower and a cuddly bear. Who am I?
In the grasslands of southern Africa could be savannah.
Teddy Roosevelt. (Teddy bear, rose, veldt)
Why, yes, I have seen Arsenic and Old Lace recently.
If you want a deal on dirt cheap microphones, I’m your man. What’s my name?
Mike Sale?
Michael Cohen?
Mike Myers
microphone + mire/dirt
In all candor, I’m a singer whose vice is a specific kind of razor. Who am I?
Frank Sinatra?
Mike is right. So far, no one’s got the last name (think money).
Nm, clue didn’t work out. Someone else can do one.
Mike Nichols
Wow. That works, but wasn’t the guy I had in mind. Think even cheaper.
Mike Pence?
Ah yes.
Anyone know/think Frank Sinatra was right?
Yes, Frank Sinatra is correct.
Clue:
A trick-turned bed fabric.
What am I named?