"Early days, we really had to watch him," Lithgow adds. Related: Jeff Bridges Says COVID, Cancer 'Heightened the Experience of Dancing with My Mortality' (Exclusive) "I mean, I didn't think I was ...

I won't be able to come back,'” Bridges admitted. "Everybody was watching Jeff,” added Bridges’ Old Man co-star John Lithgow. “I mean, he needed oxygen occasionally," Lithgow admitted.

Related: Jeff Bridges returns for Tron: Ares, jokes his de-aged self looked like Bill Maher in Legacy Bridges announced that ...