DJ Dave Lee Travis was "reserved and untheatrical" off stage while taking part in pantomime, a court has heard.
The former Top Of The Pops host is accused of indecently assaulting a stagehand when he was appearing in a production of Aladdin in 1990.
But the show's producer, Nick Thomas, told London's Southwark Crown Court that he heard no such allegation at the time.
He said: "He was an exemplary performer, I would describe him as reliable and reserved."
Asked about claims that women were chaperoned around him, he said: "It's a complete nonsense, because the ratio of females to males would be very heavy to females, there was nobody to do such a task, I certainly would have known if the top of the bill was in that situation."
"Inbetween shows I would see him puffing on a pipe and reading the newspaper. He was quite reserved and untheatrical."
Travis, 69, who is charged under his real name David Griffin, denies two counts of indecent assault and one of sexual assault.
He is facing a retrial on two counts - one of indecent assault of a woman between November 1 1990 and January 31 1991, and another of sexual assault on a different woman between June 1 2008 and November 30 2008 - on which a jury was unable to reach verdicts at a trial earlier this year.
Travis, of Aylesbury, Buckinghamshire, has also pleaded not guilty to an additional count of indecent assault alleged to have taken place on January 17, 1995.
Miranda Moore QC, in her closing speech for the prosecution, said the jury was working in an area of black and white, with no grey.
She said there was a point in time in the 70s, 80s or even 90s that some who were younger might find strange and unacceptable.
But she added: "You're not being asked to consider whether this defendant thought it was all right, because he's made his defence very clear to you."
He claims the women are lying, she said.
The trial continues.
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