Travis McGivern was the first witness called to the stand Monday as the high-profile defamation trial between the feuding exes entered its fourth week.
He told the court Depp and Heard had been arguing 'every other night' and that Depp would at times call McGivern to the penthouse he shared with Heard as he usually wanted 'to get out of there.'
I've heard Ms. Heard call him a f**king deadbeat dad - if I can say that. I apologize to the court,' he said before continuing: 'F**king washed up...a f**king c**t. You name it, she spewed it.
McGivern said there were a few times when he stepped in to remove Depp as things escalated that Heard 'didn't like my involvement in the situation' and at one point made it clear to him in a 'lengthy, one-sided conversation.
She basically demeaned my career choice. Called me a 'f**king yes man. Honestly there were parts [when she would say] 'how would you feel if someone was involved in your relationship?' which, you know, I sympathized with, but she definitely threw some shade on me and my chosen career.
McGivern went on to describe one fight on March 23, 2015 - a few weeks after the couple returned from Australia - that stood out in his mind.
Depp had sent him a text around 4am that day asking him to come up to their apartment and McGivern said that he ran into Heard in the lobby talking to security.
While McGivern went upstairs to see Depp, Depp's nurse Debbie Lloyd stayed downstairs with Heard.
McGivern said: 'I was hoping to get him out of there before Ms. Heard came back up because of past experiences.
'When they'd argue she would try to prevent us from leaving to the point - she's held the elevator before, physically tried to stop Mr. Depp from leaving by grabbing his arm. I wanted to get out of there to avoid that.
Mr. Depp sitting by the front door of penthouse five, he had some bags like he was ready to go. I greeted, him, tried to get him out of there.
'At some point I witnessed Ms. Heard throw a Red Bull can. Mr. Depp was down at the lower level, which is a kitchen area. There is a middle area, an office for Ms. Heard, and the upper level, which is closest for Ms. Heard.
I moved closer to Mr. Depp. I didn't want my client getting hit with anything else. I stood right by Mr. Depp. The verbal onslaught continued, from both of them. Mr. Depp was giving as good as he got. He was angry and agitated. Ms. Heard threw something else, a purse or a bag she had up there. I was able to knock it away so it didn't hit him. She spit at him. And then a lot of verbal vitriol from both of them.'
Asked what Heard said, he said: 'Anything and everything. There was the 'you're a f**king washup.' 'You're a f**king c**t', which he called her as well. Again the deadbeat dad s**t.
McGivern said that Depp 'was mad, he was upset, especially after she tried to spit on him' - and took revenge.
Mr. Depp went upstairs and rearranged her closet for her, threw down probably every rack of clothing and shoes. Threw at least one down the stairs. He was upset,' he said.
He said: 'We were in the office level, the middle level. She was agitated. Mr. Depp was agitated. I felt it was time to get Mr. Depp out of the situation. I stepped in between Ms. Heard and Mr. Depp, telling Mr. Depp we were leaving and it wasn't up to him anymore.
At that point out of the corner of my eye I saw a fist and an arm come across my right shoulder and I heard and saw a closed fist contact Mr. Depp in the left side of his face.
On Depp's face was a 'nice little shiner, definitely swollen and red.'
Later in his testimony, Depp was seen laughing as McGivern said he had seen him use marijuana 'more times than I can count, daily.' Taking cocaine left Depp 'leveled out', McGivern testified.
He also said he had never seen Depp hit Heard back during their arguments.
McGivern described another fight between Depp and Heard in April 2016 after a party for her 30th birthday in the penthouse.
Mr. Depp was ready to leave, he had a couple of bags over his shoulders. He wanted to grab a few valuables we always used to grab when this happened, some framed letters from Hunter S. Thompson or Marlon Brando', referring to the late author and actor with whom Depp was friends.
Under cross examination by Heard's lawyer Benjamin Rottenborn, McGivern insisted his account of the Red Bull incident was correct.
Rottenborn said that Depp 'was reaching for Amber's hair while he was trying to hit her' with a cast on his right finger from the incident in Australia.
McGivern: 'That is not correct'
McGivern said it was not correct that Whitney Heard was standing between Depp and Heard because that is where he positioned himself.
Rottenborn: 'You saw Mr Depp push or shove Whitney Heard?'
McGivern: 'Absolutely not'.
Rottenborn: 'Only after Mr Depp pushed Whitney did Miss Heard stepped forward and punched him in the face?'
McGivern: 'That is not correct'
Next to testify was Johnny Depp's agent who told the court that Heard's op-ed, published in the Washington Post in December 2018, was 'catastrophic' for his career.
Jack Whigham said the piece was 'rather shocking because it was the first time I'd heard an allegation of sexual abuse'.
Wigham was asked what impact it had on Depp's career.
He said: 'With respect to Johnny it was catastrophic because it was coming from a first person account, it was not from a journalist, not someone observing, it was from someone saying this happened to me'.
For the two years following the op-ed Depp appeared in 'zero' studio films, Wigham told the court.
Depp did not appear in Pirates of the Caribbean 6 despite having a $22.5million deal with Disney to play Captain Jack Sparrow.
Even Minimata, an independent film that Depp starred in, struggled after the article came out.
Wigham said: 'The op-ed came out in December (2018) right as we were going on Christmas break.
'Minimata was supposed to start (showing) in January (2019). It was very, very difficult to keep Minimata together.
'The financing became shaky, Johnny's fee came down in order to save the movie',
Wigham said after the op-ed 'it was impossible to get him a studio film which is what we would have normally been focused on'.
Monday's third witness, Richard Marks, an entertainment lawyer who has worked in Hollywood for decades, told the jury about his assessment of the impact of Heard's op-ed on Depp's career.
Marks, testifying as an expert in the entertainment industry, said: 'The op-ed damaged Mr. Depp, created a cancel situation if you will, harmed his reputation and ability to get work in the Hollywood industry'.
Marks said that studios 'wouldn't want to hire an actor who has negativity following them, you wouldn't want to pay to bring your brand down'.
He said: 'That's very important and especially in the last five years of MeToo movement, you wouldn't want negativity, hiring an actor who 'had been canceled'.
Asked what in particular might stop an actor getting hired, he said: 'We're talking illegal activity, criminal record but right now the pinnacle of negativity in Hollywood is being accused of domestic abuse, domestic violence. We've seen , almost immediately, terminations and cancelations for the investors to move away from that negativity.
Marks said that the op-ed was so impactful because it was in the Washington Post, which he called a 'flagship journal of American news'.
He said: 'We're not talking about a trade paper. It is geared to Hollywood. It says two years ago when I was getting my divorce, Amber Heard is saying, I was abused, Hollywood stood up for my abuser, not me the victim. Hollywood got the subject matter of the op-ed loud and clear.
Amber Heard was calling out Hollywood for supporting since 2016 her abuser and she felt the wrath of Hollywood. She was calling them out to do something and on the eve of her biggest film, a big film for Hollywood. The publicity machine was in high gear. This was the height of her fame and she used it to call Hollywood out and they heard that plea loud and clear. It also got her publicity for her movie - it wasn't a coincidence that date. In Hollywood the message was received that she was sending.
Marks dismissed Depp's reputation for lateness on sets saying that Hollywood has 'always had divas like Marilyn Monroe who stay in her trailer for half a day'.
He said that the impact of the op-ed on Depp's reputation was 'devastating.'
'It's the type of claim, the MeToo claim, that has canceled a list of actors. Chris Noth recently, Frank Langella, newscasters, Les Moonves, now Johnny Depp is in their ranks. It's devastating'.
The effect of MeToo in Hollywood was that the 'morals clause' in actors' contracts was returning so they could act 'decisively' in the event of these kind of allegations.
Marks became sarcastic when asked about how the Washington Post op-ed didn't even name Depp: 'Does she (Heard) have another husband who abused her?'
Asked about the 2020 libel trial in London - where a judge ruled the claim Depp was a wife beater was 'substantially true' - Marks issued another dry response.
He said: 'We thought we got rid of the UK in 1776 but (we) were still following it'.
Heard had fired her PR team and hired a new firm ahead of today's proceedings in apparent hopes she might receive more favorable coverage this week - during which time she is expected to take to the stand and testify.
On Monday was reported to have cut ties with her publicists ahead of this week's trial proceedings, following days of bad press generated by explosive court testimony last week.
'She doesn't like bad headlines'