Alex Kingston will be back as Doctor Who's River Song in a second series of her audio spinoff.
The Diary of River Song: Volume 2 will be released in 2017 by Big Finish Productions.
The first volume of adventures for the time-travelling archaeologist saw her paired with Paul McGann's Eighth Doctor.
Now four new hour-long adventures will see her team with Colin Baker's Sixth Doctor and Sylvester McCoy's Seventh.
"We're thrilled to have both Colin Baker and Sylvester McCoy appearing alongside Alex in this box set," said producer David Richardson.
"I can promise that River and the Doctor might not necessarily be working to the same agenda. In fact, the two Doctors might not be working to the same agenda either..."
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Guest stars confirmed for Volume 2 include Anna Maxwell Martin (And Then There Were None), Jessie Buckley (War and Peace), Robert Pugh (Doctor Foster) and Dan Starkey (Doctor Who).
Kingston can next be heard as River in Doctor Who: Doom Coalition 2, out later this month and starring Paul McGann and Nicola Walker.
