>> reporter: stage veteran roger bart is the mad scientist doc brown, who makes all that time traveling0s happen. >> whoa! >> reporter: the pair bringing me on stage for an advanced look at the production. what do you bring to the stage adaptation of the character of marty mcfly? >> marty mcfly is what we all wanted to be growing up. what i still want to be. not doing an impression, doing a reminder of how special michael is while also mixing in a little of myself. >> mostly what i try to do is be unpredictable and zany and make the audience feel like anything can happen. >> reporter: the musical started as a huge hit on london's west end, adapted for the stage by robert zem mechanicic, the movie's original director. >> this movie's great, everything you want in musical theater. great characters, great story, fabulous music. >> can i see if i could start this thing up? >> reporter: when i got to the set, casey let me take the famous time traveling delorean for a spin. well, almost. so pop this up? >> yeah. just sit down, then you're going to swing your legs in. >> okay. >> a little tigh

tony award winner roger bart as the wiry scientist doc brown. >> if you're going to build a time machinea car, why not do it with some style? made timeless by christopher lloyd. >> great. scott, did you touch base with christopher lloyd about the role at all? i did. he turned to me and he goes, oh, god, you're doing it. >> you're doing it. it's a musical. i said, yeah, it is. he said, oh, i'm looking forward to hearing doc sing. i said, me too, man. me too. great. scott come here. >> great. scott yes, of course. >> great. scott there you go. thank you. come on. i got it. >> hey, who? the power of love is a curious thing. >> casey likes playing the beloved marty mcfly. doc, my mom's got the hots for me. >> oh. >> every single day i'm sitting in rehearsal and i'm like, i can't believe i'm wearing this. this gibson guitar right now. i can't believe i'm skating around on a skateboard and this is my job. people love marty because of michael j. fox, an and i don't think any of us shy away from from that at all. it's just presenting it in a new way and reminding you how much we loved these orig

my mom never said you remind me of doc brown. thank goodness. >> great scott!g in a little bit of myself and trying to be as cool as i possibly can. this is heavy. >> so could i be as cool as marty? wow, this is -- >> i just do this instead. >> first we tried the famous skateboard. i'd like to pop it in the air. whoa! >> wow! >> great. >> next. the guitar solo. ♪ go johnny go go johnny go ♪ >> great. you're the pro. >> you do your thing. >> wow. >> and then we hit them with a hood slap. >> you're gonna want to aim this area right here. okay. i'm gonna do it. your turn. >> oh. >> that's great. >> i want to do another one. that's really fun. do you know what i think went wrong? you didn't check your watch. >> also, might be the jeans. you're wearing jeans, too. that's a bad excuse. >> whoa! >> have to do a push at the end. no more physicality for me today. but that's fun. i'm going to do the cool thing where you sit on the car. >> nothing is cooler than what that car can do. paul ingram is the show's lead producer and as a prerequisite for the job, he's also a hu

personally, my solution would be to put him in a delorean with doc brown, send him back to the year 1946 parents from conceiving him and then nuke the [ bleep ] the clock tower so he can't make his way back and problem solved [ laughter ] one day, we'd just wake up and he would start magically disappearing from photos, like marty mcfly. [ laughter ] remember that, when he posed with a can of beans? there's so many pictures where removing donald trump makes it impossible to believe the missing element is a former president. [ laughter ] i mean, he was in this picture with kid rock. that was a president picture he was in this picture with a glowing orb. that was a president - he was in this picture with the shocked easter bunny he was -- a president was there, trump must have been so mad when he saw they got him an easter bunny with glasses "he's a nerd i'm not taking a picture with a nerd rabbit. [ laughter ] trump's deep unpopularity was proven yet again in another poll out this week where a large majority said they do not want him re-elected president and even worse for trump, the bad n

tony award winner roger bart as the wirey scientist doc brown. >> if you're going to build a time machinea musical? i don't get it. i said, yeah. he said, i'm looking forward to hearing doc sing. i said me, too, man. me, too. >> great scott! >> reporter: can we hear great scott? >> sure. great scott! [ applause ] >> reporter: if you like marty mcfly -- >> every single day i'm in rehearsal saying, i can't believe i'm wearing this gibson guitar. i can't believe i'm skating around on a skateboard and this is my job. people love marty because of michael j. fox. i don't think any of us shy away from that. it's just presenting it in a new way and reminding you how much we loved these original actors. >> do i know you? >> reporter: rihanna hunt stepping into the role of lorraine. >> we get to take these moments from the film that we all know and love and hear them through song. it's so much fun. >> reporter: hugh coles spent plenty of time studying the film before auditioning. >> yes, i'm george, george mcfly. i'm your density. >> how on earth am i supposed to do anything close to that? yes, yes