Marlon Brando starred in Viva Zapata!Viva Zapata! is starring Marlon Brando. Marlon Brando starred in The Young LionsThe Young Lions is starring Montgomery Clift
[Human]: Can you recommend some Marlon Brando films? [Assistant]: Sure! Marlon Brando starred in Viva Zapata!, The Young Lions, and The Wild One. Have you seen those? [Human]: I have not seen them. Who else stars in the Young Lions? 
The Young Lions also stars Montgomery Clift and Maximilian Schell. I'd recommend watching it! 